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Round|Lab Grown|IGI

1.60ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG788612129

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788612129

Diamond specifications and retailer prices

From £193 GBP
$257 USD
As of October 29, 2026
Save £840 GBP (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,359 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG788612129 or 788612129. Listed at 26 retailers as of October 28, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788612129
Dimensions7.53 × 7.56 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.56 mm1.60 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788612129
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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: £1,359 GBP|Low: £153 GBP|High: £1,404 GBP|Avg: £609 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 7£216 GBP
Retailer 8£239 GBP
Retailer 20£269 GBP
Retailer 10£323 GBP
Retailer 15£323 GBP
Retailer 13£391 GBP
Retailer 9£393 GBP
Retailer 14£411 GBP
Retailer 2£454 GBP
Retailer 4£496 GBP
Retailer 16£557 GBP
Retailer 19£607 GBP
Retailer 17£695 GBP
Retailer 5£786 GBP
Retailer 11£807 GBP
Retailer 3£941 GBP
Retailer 18£963 GBP
Retailer 6£966 GBP
Retailer 12£1,033 GBP
Brilliant Earth£1,359 GBP

41 data points across 20 retailers

26 retailers£193 GBP to £1,033 GBP

A
Cheapest Retailer
-
£193 GBP
$257 USD
A
Retailer 2
-
£193 GBP
$257 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£216 GBP
$287 USD
View
Final sale: no returns
A
Retailer 4
-
£236 GBP
$314 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
£239 GBP
$318 USD
View
A
Retailer 6
-
£239 GBP
$318 USD
View
A
Retailer 7
-
£269 GBP
HK$2,800 HKD
View
A
Retailer 8
-
£323 GBP
$430 USD
View
B+
Retailer 9
-
£323 GBP
$430 USD
View
A
Retailer 10
-
£391 GBP
€496 EUR
View
A
Retailer 11
-
£393 GBP
$523 USD
View
A
Retailer 12
-
£411 GBP
ZAR 8,840 ZAR
View
B+
Retailer 13
-
£454 GBP
View
B+
Retailer 14
-
£496 GBP
$660 USD
View
B+
Retailer 15
-
£557 GBP
A$1,142 AUD
View
B+
Retailer 16
-
£607 GBP
$808 USD
View
B+
Retailer 17
-
£695 GBP
$925 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
£769 GBP
$1,024 USD
View
B
Retailer 19
-
£769 GBP
$1,024 USD
View
Price last confirmed 38 days ago
B
Retailer 20
-
£786 GBP
SGD 1,414 SGD
View
B
Retailer 21
-
£807 GBP
$1,075 USD
View
B
Retailer 22
-
£941 GBP
$1,253 USD
View
B
Retailer 23
-
£963 GBP
View
B
Retailer 24
-
£986 GBP
$1,313 USD
View
B
Retailer 25
-
£1,033 GBP
$1,375 USD
View
Most Expensive
B
Brilliant Earth
20975452A · Oct 16
£1,359 GBP
$1,810 USD
View
Price last confirmed 13 days ago
25 more retailers have this diamond
Prices start from £193 GBPSave up to £840 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
£193 GBP