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Round|Lab Grown|IGI

1.70ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG689559945

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689559945

Diamond specifications and retailer prices

From £176 GBP
$236 USD
As of October 29, 2026
Save £799 GBP (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £976 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689559945 or 689559945. Listed at 24 retailers as of October 29, 2026, with prices from £176 to £976, a £799 spread on the same certified stone. Reve Diamonds lists it at £976. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689559945
Dimensions7.66 × 7.69 × 4.76 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
7.66 mm7.69 mm1.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689559945
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £377 GBP|Low: £167 GBP|High: £976 GBP|Avg: £484 GBP|+2.3%
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Retailer 19
Reve Diamonds
October 31, 2026
Retailer 7£176 GBP
Retailer 13£196 GBP
Retailer 17£204 GBP
Retailer 2£218 GBP
Retailer 3£218 GBP
Retailer 14£347 GBP
Retailer 4£368 GBP
Retailer 1£377 GBP
Retailer 15£411 GBP
Retailer 19£411 GBP
Retailer 12£445 GBP
Retailer 5£571 GBP
Retailer 18£679 GBP
Retailer 8£701 GBP
Retailer 6£740 GBP
Retailer 9£822 GBP
Retailer 11£826 GBP
Retailer 16£879 GBP
Retailer 10£903 GBP
Reve Diamonds£976 GBP

40 data points across 20 retailers

24 retailers£176 GBP to £976 GBP

A
Cheapest Retailer
-
£176 GBP
$236 USD
A
Retailer 2
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£196 GBP
$263 USD
View
Final sale: no returns
A
Retailer 3
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£204 GBP
$273 USD
View
A
Retailer 4
-
£218 GBP
$292 USD
View
A
Retailer 5
-
£218 GBP
$292 USD
View
A
Retailer 6
-
£347 GBP
View
B+
Retailer 7
-
£368 GBP
$493 USD
View
A
Retailer 8
-
£377 GBP
€481 EUR
View
A
Retailer 9
-
£411 GBP
View
A
Retailer 10
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£411 GBP
$551 USD
View
A
Retailer 11
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£415 GBP
$556 USD
View
A
Retailer 12
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£445 GBP
A$918 AUD
View
B+
Retailer 13
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£571 GBP
$765 USD
View
B+
Retailer 14
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£679 GBP
$910 USD
View
Retailer 15
-
£695 GBP
$931 USD
View
Price last confirmed 40 days ago
B+
Retailer 16
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£701 GBP
$939 USD
View
B
Retailer 17
-
£740 GBP
$991 USD
View
Retailer 18
-
£822 GBP
A$1,694 AUD
View
Price last confirmed 26 days ago
B
Retailer 19
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£826 GBP
$1,107 USD
View
B
Retailer 20
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£879 GBP
View
B
Retailer 21
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£879 GBP
$1,178 USD
View
B
Retailer 22
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£903 GBP
$1,210 USD
View
B
Retailer 23
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£933 GBP
$1,250 USD
View
Most Expensive
B
Reve Diamonds
B64ACD78A · Oct 30
£976 GBP
$1,307 USD
View
23 more retailers have this diamond
Prices start from £176 GBPSave up to £799 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
1.70ct Round
£176 GBP