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Round|Lab Grown|IGI

1.65ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG462177040

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462177040

Diamond specifications and retailer prices

From €949 EUR
$1,060 USD
As of October 31, 2026
Save €4,228 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,177 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG462177040 or 462177040. Listed at 11 retailers as of October 31, 2026, with prices from €949 to €5,177, a €4,228 spread on the same certified stone. MOH London lists it at €5,177. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462177040
Dimensions7.65 × 7.60 × 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 and may include post-growth treatment Type IIa
Top View
7.65 mm7.60 mm1.65 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462177040
Side View
Table 60.0%Crown 32.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

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 31
Current: €5,177 EUR|Low: €949 EUR|High: €5,246 EUR|Avg: €2,725 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2€949 EUR
Retailer 5€1,563 EUR
Retailer 8€1,750 EUR
Retailer 6€1,813 EUR
Retailer 3€1,946 EUR
Retailer 9€1,965 EUR
Retailer 10€2,416 EUR
Retailer 7€2,845 EUR
Retailer 4€3,126 EUR
MOH London€5,177 EUR
Retailer 11€5,189 EUR

16 data points across 11 retailers

11 retailers€949 EUR to €5,177 EUR

A
Cheapest Retailer
-
€949 EUR
$1,060 USD
B+
Retailer 2
-
€1,563 EUR
$1,746 USD
View
B+
Retailer 3
-
€1,701 EUR
$1,900 USD
View
B+
Retailer 4
-
€1,750 EUR
$1,955 USD
View
Final sale: no returns
B
Retailer 5
-
€1,813 EUR
$2,025 USD
View
Retailer 6
-
€1,813 EUR
$2,025 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€1,965 EUR
$2,195 USD
View
B
Retailer 8
-
€2,845 EUR
$3,179 USD
View
B
Retailer 9
-
€3,126 EUR
$3,492 USD
View
B
Retailer 10
-
€3,398 EUR
$3,796 USD
View
Most Expensive
B
MOH London
LG462177040 · Nov 1
€5,177 EUR
£4,554 GBP
View
10 more retailers have this diamond
Prices start from €949 EURSave up to €4,228 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
€949 EUR