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Round|Lab Grown|IGI

1.60ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG768680139

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768680139

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 29, 2026
Save £1,180 GBP (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,352 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768680139 or 768680139. Listed at 27 retailers as of October 29, 2026, with prices from £171 to £1,352, a £1,180 spread on the same certified stone. Helzberg Diamonds lists it at £1,352. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768680139
Dimensions7.48 × 7.52 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.52 mm1.60 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768680139
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £394 GBP|Low: £163 GBP|High: £963 GBP|Avg: £486 GBP|+5.0%
Retailer 1
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Retailer 22
October 29, 2026
Retailer 10£171 GBP
Retailer 12£195 GBP
Retailer 22£198 GBP
Retailer 4£212 GBP
Retailer 5£212 GBP
Retailer 17£344 GBP
Retailer 6£360 GBP
Retailer 19£364 GBP
Retailer 1£394 GBP
Retailer 18£401 GBP
Retailer 3£405 GBP
Retailer 2£438 GBP
Retailer 20£495 GBP
Retailer 8£582 GBP
Retailer 21£680 GBP
Retailer 11£682 GBP
Retailer 9£721 GBP
Retailer 15£800 GBP
Retailer 13£800 GBP
Retailer 14£826 GBP
Retailer 16£854 GBP
Retailer 7£963 GBP

29 data points across 22 retailers

27 retailers£171 GBP to £1,352 GBP

A
Cheapest Retailer
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£171 GBP
$228 USD
A
Retailer 2
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£195 GBP
$260 USD
View
Final sale: no returns
A
Retailer 3
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£198 GBP
$264 USD
View
A
Retailer 4
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£212 GBP
$282 USD
View
A
Retailer 5
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£212 GBP
$282 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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£344 GBP
View
B+
Retailer 7
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£360 GBP
$479 USD
View
A
Retailer 8
-
£364 GBP
ZAR 7,841 ZAR
View
A
Retailer 9
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£384 GBP
$512 USD
View
A
Retailer 10
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£394 GBP
View
A
Retailer 11
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£401 GBP
€508 EUR
View
A
Retailer 12
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£405 GBP
$539 USD
View
B+
Retailer 13
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£438 GBP
A$898 AUD
View
B+
Retailer 14
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£495 GBP
A$1,015 AUD
View
B
Retailer 15
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£582 GBP
$775 USD
View
B+
Retailer 16
-
£680 GBP
$905 USD
View
B+
Retailer 17
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£682 GBP
$908 USD
View
B
Retailer 18
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£721 GBP
$961 USD
View
B
Retailer 19
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£800 GBP
$1,065 USD
View
B
Retailer 20
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£800 GBP
A$1,639 AUD
View
Price last confirmed 20 days ago
B
Retailer 21
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£826 GBP
$1,100 USD
View
Price last confirmed 13 days ago
B
Retailer 22
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£854 GBP
View
B
Retailer 23
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£856 GBP
$1,140 USD
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B
Retailer 24
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£903 GBP
$1,203 USD
View
B
Retailer 25
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£963 GBP
$1,282 USD
View
B
Retailer 26
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£1,352 GBP
$1,800 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNMOMOGHJP · Oct 29
£1,352 GBP
$1,800 USD
View
26 more retailers have this diamond
Prices start from £171 GBPSave up to £1,180 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.60ct Round
£171 GBP