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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838619572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838619572

Diamond specifications and retailer prices

From €294 EUR
As of November 3, 2026
Save €2,307 EUR (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,601 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619572 or 838619572. Listed at 20 retailers as of November 3, 2026, with prices from €294 to €2,601, a €2,307 spread on the same certified stone. Brilliant Earth lists it at €2,601. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619572
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.28 mm7.31 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619572
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 3
Current: €2,601 EUR|Low: €294 EUR|High: €3,417 EUR|Avg: €804 EUR|-17.7%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 18€294 EUR
Retailer 20€328 EUR
Retailer 6€341 EUR
Retailer 7€365 EUR
Retailer 10€372 EUR
Retailer 3€398 EUR
Retailer 13€465 EUR
Retailer 16€501 EUR
Retailer 15€589 EUR
Retailer 17€594 EUR
Retailer 9€595 EUR
Retailer 8€633 EUR
Retailer 2€644 EUR
Retailer 14€856 EUR
Retailer 19€1,069 EUR
Retailer 5€1,166 EUR
Retailer 4€1,172 EUR
Retailer 12€1,299 EUR
Retailer 11€1,492 EUR
Brilliant Earth€2,601 EUR

21 data points across 20 retailers

20 retailers€294 EUR to €2,601 EUR

A+
Cheapest Retailer
-
€294 EUR
A
Retailer 2
-
€328 EUR
View
Final sale: no returns
A
Retailer 3
-
€341 EUR
View
A
Retailer 4
-
€365 EUR
View
Retailer 5
-
€372 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€398 EUR
View
A
Retailer 7
-
€465 EUR
View
A
Retailer 8
-
€501 EUR
View
A
Retailer 9
-
€589 EUR
View
A
Retailer 10
-
€594 EUR
View
A
Retailer 11
-
€595 EUR
View
A
Retailer 12
-
€633 EUR
View
A
Retailer 13
-
€644 EUR
View
A
Retailer 14
-
€856 EUR
View
B+
Retailer 15
-
€1,069 EUR
View
B+
Retailer 16
-
€1,166 EUR
View
B+
Retailer 17
-
€1,172 EUR
View
B+
Retailer 18
-
€1,299 EUR
View
Retailer 19
-
€1,492 EUR
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21621094A · Nov 3
€2,601 EUR
$2,930 USD
View
19 more retailers have this diamond
Prices start from €294 EURSave up to €2,307 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
€294 EUR