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Round|Lab Grown|IGI

1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792697762

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792697762

Diamond specifications and retailer prices

From €173 EUR
$193 USD
As of November 1, 2026
Save €830 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,003 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG792697762 or 792697762. Listed at 16 retailers as of November 1, 2026, with prices from €173 to €1,003, a €830 spread on the same certified stone. MOH London lists it at €1,003. 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

1.51
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792697762
Dimensions7.43 × 7.40 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.40 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792697762
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,003 EUR|Low: €169 EUR|High: €1,033 EUR|Avg: €487 EUR|-1.7%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 5€173 EUR
Retailer 15€193 EUR
Retailer 14€201 EUR
Retailer 9€215 EUR
Retailer 6€216 EUR
Retailer 3€375 EUR
Retailer 2€390 EUR
Retailer 12€405 EUR
Retailer 13€512 EUR
Retailer 11€555 EUR
Retailer 7€640 EUR
Retailer 10€690 EUR
Retailer 4€697 EUR
Retailer 16€738 EUR
Retailer 8€770 EUR
MOH London€1,003 EUR

36 data points across 16 retailers

16 retailers€173 EUR to €1,003 EUR

A
Cheapest Retailer
-
€173 EUR
$193 USD
A
Retailer 2
-
€193 EUR
$216 USD
View
Final sale: no returns
A
Retailer 3
-
€201 EUR
$224 USD
View
A
Retailer 4
-
€215 EUR
$240 USD
View
Retailer 5
-
€216 EUR
$241 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€375 EUR
$419 USD
View
A
Retailer 7
-
€390 EUR
£343 GBP
View
A
Retailer 8
-
€405 EUR
$453 USD
View
B+
Retailer 9
-
€512 EUR
$572 USD
View
B+
Retailer 10
-
€555 EUR
$620 USD
View
Retailer 11
-
€640 EUR
$715 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€690 EUR
$771 USD
View
B+
Retailer 13
-
€697 EUR
SGD 1,053 SGD
View
B+
Retailer 14
-
€738 EUR
$824 USD
View
Retailer 15
-
€770 EUR
$860 USD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG792697762 · Nov 1
€1,003 EUR
£882 GBP
View
15 more retailers have this diamond
Prices start from €173 EURSave up to €830 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
1.51ct Round
€173 EUR