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Round|Lab Grown|IGI

1.51ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG802608084

Shape and cutting style on the report: Round brilliant

Certificate IGI LG802608084

Diamond specifications and retailer prices

From €499 EUR
As of November 4, 2026
Save €1,294 EUR (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,793 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG802608084 or 802608084. Listed at 7 retailers as of November 3, 2026, with prices from €499 to €1,793, a €1,294 spread on the same certified stone. Brilliant Earth lists it at €1,793. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802608084
Dimensions7.45 × 7.41 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.45 mm7.41 mm1.51 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802608084
Side View
Table 60.0%Crown 33.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
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 4
Current: €1,793 EUR|Low: €499 EUR|High: €2,112 EUR|Avg: €1,016 EUR|-15.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6€499 EUR
Retailer 5€533 EUR
Retailer 7€566 EUR
Retailer 4€797 EUR
Retailer 2€1,204 EUR
Retailer 3€1,509 EUR
Brilliant Earth€1,793 EUR

25 data points across 7 retailers

7 retailers€499 EUR to €1,793 EUR

A
Cheapest Retailer
-
€499 EUR
A
Retailer 2
-
€533 EUR
View
Retailer 3
-
€566 EUR
View
Price last confirmed 11 days ago
B+
Retailer 4
-
€797 EUR
View
B+
Retailer 5
-
€1,204 EUR
View
B
Retailer 6
-
€1,509 EUR
View
Most Expensive
B
Brilliant Earth
20472566A · Nov 3
€1,793 EUR
$2,020 USD
View
6 more retailers have this diamond
Prices start from €499 EURSave up to €1,294 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
€499 EUR