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Round|Lab Grown|IGI

1.70ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG803613580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803613580

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of October 26, 2026
Save £708 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £873 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG803613580 or 803613580. Listed at 20 retailers as of October 26, 2026, with prices from £165 to £873, a £708 spread on the same certified stone. Brilliant Earth lists it at £873. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803613580
Dimensions7.71 × 7.65 × 4.74 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
7.71 mm7.65 mm1.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803613580
Side View
Table 56.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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 26
Current: £873 GBP|Low: £162 GBP|High: £873 GBP|Avg: £483 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 7£165 GBP
Retailer 5£184 GBP
Retailer 4£191 GBP
Retailer 6£204 GBP
Retailer 14£229 GBP
Retailer 19£325 GBP
Retailer 2£326 GBP
Retailer 8£348 GBP
Retailer 20£376 GBP
Retailer 12£399 GBP
Retailer 3£421 GBP
Retailer 13£436 GBP
Retailer 15£528 GBP
Retailer 18£655 GBP
Retailer 10£656 GBP
Retailer 9£672 GBP
Retailer 16£795 GBP
Retailer 17£813 GBP
Retailer 21£819 GBP
Retailer 11£831 GBP
Brilliant Earth£873 GBP

34 data points across 21 retailers

20 retailers£165 GBP to £873 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
Retailer 2
-
£191 GBP
$256 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£204 GBP
$273 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 5
-
£325 GBP
View
A
Retailer 6
-
£326 GBP
€416 EUR
View
B+
Retailer 7
-
£348 GBP
$466 USD
View
A
Retailer 8
-
£376 GBP
View
A
Retailer 9
-
£399 GBP
$535 USD
View
A
Retailer 10
-
£421 GBP
$564 USD
View
A
Retailer 11
-
£436 GBP
A$898 AUD
View
B+
Retailer 12
-
£528 GBP
$707 USD
View
B+
Retailer 13
-
£655 GBP
SGD 1,186 SGD
View
Retailer 14
-
£656 GBP
$879 USD
View
Price last confirmed 7 days ago
Retailer 15
-
£672 GBP
$900 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£795 GBP
A$1,639 AUD
View
B
Retailer 17
-
£813 GBP
$1,090 USD
View
B
Retailer 18
-
£819 GBP
View
B
Retailer 19
-
£831 GBP
$1,113 USD
View
Most Expensive
B
Brilliant Earth
19843810A · Oct 29
£873 GBP
$1,170 USD
View
19 more retailers have this diamond
Prices start from £165 GBPSave up to £708 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
£165 GBP