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Round|Lab Grown|IGI

1.65ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG602381243

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602381243

Diamond specifications and retailer prices

From €185 EUR
$207 USD
As of November 1, 2026
Save €734 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €918 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602381243 or 602381243. Listed at 17 retailers as of November 1, 2026, with prices from €185 to €918, a €734 spread on the same certified stone. MOH London lists it at €918. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.65
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602381243
Dimensions7.63 × 7.60 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.63 mm7.60 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602381243
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

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: Nov 1
Current: €918 EUR|Low: €177 EUR|High: €930 EUR|Avg: €436 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€185 EUR
Retailer 5€207 EUR
Retailer 3€214 EUR
Retailer 11€229 EUR
Retailer 12€312 EUR
Retailer 7€385 EUR
Retailer 2€408 EUR
Retailer 6€421 EUR
Retailer 13€462 EUR
Retailer 4€736 EUR
Retailer 8€739 EUR
Retailer 9€746 EUR
MOH London€918 EUR

44 data points across 13 retailers

17 retailers€185 EUR to €918 EUR

A
Cheapest Retailer
-
€185 EUR
$207 USD
A
Retailer 2
-
€207 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$240 USD
View
Retailer 4
-
€229 EUR
$257 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€229 EUR
$257 USD
View
A
Retailer 6
-
€262 EUR
HK$2,300 HKD
View
B+
Retailer 7
-
€312 EUR
$350 USD
View
A
Retailer 8
-
€385 EUR
View
A
Retailer 9
-
€408 EUR
£360 GBP
View
A
Retailer 10
-
€421 EUR
£372 GBP
View
A
Retailer 11
-
€462 EUR
$518 USD
View
B+
Retailer 12
-
€473 EUR
$530 USD
View
Retailer 13
-
€687 EUR
$770 USD
View
Price last confirmed 54 days ago
B
Retailer 14
-
€736 EUR
$826 USD
View
B
Retailer 15
-
€739 EUR
$829 USD
View
B
Retailer 16
-
€746 EUR
SGD 1,131 SGD
View
Most Expensive
B
MOH London
LG602381243 · Nov 1
€918 EUR
£811 GBP
View
16 more retailers have this diamond
Prices start from €185 EURSave up to €734 EUR

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
1.65ct Round
€185 EUR