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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG803629717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803629717

Diamond specifications and retailer prices

From €588 EUR
$657 USD
As of October 29, 2026
Save €2,751 EUR (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,339 EUR at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803629717 or 803629717. Listed at 24 retailers as of October 29, 2026, with prices from €588 to €3,339, a €2,751 spread on the same certified stone. Brilliant Earth lists it at €3,339. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803629717
Dimensions7.42 × 7.38 × 4.49 mm
L/W Ratio1.01
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
7.42 mm7.38 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803629717
Side View
Table 58.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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: Oct 29
Current: €3,339 EUR|Low: €565 EUR|High: €4,350 EUR|Avg: €1,485 EUR|-23.3%
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
October 30, 2026
Retailer 17€588 EUR
Retailer 16€640 EUR
Retailer 4€682 EUR
Retailer 5€682 EUR
Retailer 2€936 EUR
Retailer 13€967 EUR
Retailer 8€976 EUR
Retailer 15€1,052 EUR
Retailer 10€1,085 EUR
Retailer 12€1,164 EUR
Retailer 14€1,242 EUR
Retailer 6€1,584 EUR
Retailer 3€1,918 EUR
Retailer 9€2,197 EUR
Retailer 7€2,350 EUR
Retailer 11€2,890 EUR
Brilliant Earth€3,339 EUR

32 data points across 17 retailers

24 retailers€588 EUR to €3,339 EUR

A
Cheapest Retailer
-
€588 EUR
$657 USD
A
Retailer 2
-
€640 EUR
$715 USD
View
A
Retailer 3
-
€658 EUR
$735 USD
View
Final sale: no returns
A
Retailer 4
-
€682 EUR
$762 USD
View
Retailer 5
-
€682 EUR
$762 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€900 EUR
$1,005 USD
View
A
Retailer 7
-
€936 EUR
£824 GBP
View
B+
Retailer 8
-
€963 EUR
$1,076 USD
View
B+
Retailer 9
-
€967 EUR
$1,080 USD
View
B+
Retailer 10
-
€976 EUR
$1,090 USD
View
B+
Retailer 11
-
€1,052 EUR
A$1,808 AUD
View
B+
Retailer 12
-
€1,085 EUR
£954 GBP
View
B+
Retailer 13
-
€1,164 EUR
View
B+
Retailer 14
-
€1,242 EUR
ZAR 22,422 ZAR
View
B
Retailer 15
-
€1,584 EUR
$1,770 USD
View
B
Retailer 16
-
€1,918 EUR
$2,143 USD
View
B
Retailer 17
-
€2,197 EUR
$2,455 USD
View
B
Retailer 18
-
€2,296 EUR
SGD 3,466 SGD
View
B
Retailer 19
-
€2,327 EUR
$2,600 USD
View
Retailer 20
-
€2,350 EUR
$2,625 USD
View
Price last confirmed 17 days ago
B
Retailer 21
-
€2,354 EUR
$2,630 USD
View
B
Retailer 22
-
€2,374 EUR
$2,652 USD
View
B
Retailer 23
-
€2,890 EUR
£2,542 GBP
View
Most Expensive
B
Brilliant Earth
20085656A · Oct 30
€3,339 EUR
$3,730 USD
View
23 more retailers have this diamond
Prices start from €588 EURSave up to €2,751 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
€588 EUR