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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787656878

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787656878

Diamond specifications and retailer prices

From €655 EUR
$735 USD
As of November 3, 2026
Save €2,670 EUR (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,326 EUR at Brilliant Earth · As of November 2, 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 LG787656878 or 787656878. Listed at 24 retailers as of November 2, 2026, with prices from €655 to €3,326, a €2,670 spread on the same certified stone. Brilliant Earth lists it at €3,326. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787656878
Dimensions7.33 × 7.38 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.33 mm7.38 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787656878
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.8%

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 3
Current: €3,326 EUR|Low: €563 EUR|High: €4,333 EUR|Avg: €1,582 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
November 3, 2026
Retailer 14€586 EUR
Retailer 7€637 EUR
Retailer 4€679 EUR
Retailer 6€896 EUR
Retailer 12€963 EUR
Retailer 15€972 EUR
Retailer 13€1,048 EUR
Retailer 2€1,083 EUR
Retailer 8€1,249 EUR
Retailer 9€1,594 EUR
Retailer 3€2,189 EUR
Retailer 5€2,287 EUR
Retailer 11€2,862 EUR
Retailer 10€3,213 EUR
Brilliant Earth€3,326 EUR

43 data points across 15 retailers

24 retailers€655 EUR to €3,326 EUR

Retailer 1
-
€586 EUR
$657 USD
Price last confirmed 23 days ago
Retailer 2
-
€637 EUR
$715 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
€655 EUR
$735 USD
View
Final sale: no returns
Retailer 4
-
€679 EUR
$762 USD
View
Price last confirmed 21 days ago
Retailer 5
-
€679 EUR
$762 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
€896 EUR
$1,005 USD
View
B+
Retailer 7
-
€959 EUR
$1,076 USD
View
B+
Retailer 8
-
€963 EUR
$1,080 USD
View
B+
Retailer 9
-
€972 EUR
$1,090 USD
View
B+
Retailer 10
-
€1,048 EUR
A$1,808 AUD
View
B+
Retailer 11
-
€1,083 EUR
£956 GBP
View
B+
Retailer 12
-
€1,249 EUR
ZAR 22,623 ZAR
View
B
Retailer 13
-
€1,594 EUR
$1,788 USD
View
Retailer 14
-
€1,673 EUR
$1,877 USD
View
Price last confirmed 42 days ago
Retailer 15
-
€1,911 EUR
$2,143 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
€2,189 EUR
$2,455 USD
View
B
Retailer 17
-
€2,287 EUR
SGD 3,466 SGD
View
B
Retailer 18
-
€2,318 EUR
$2,600 USD
View
B
Retailer 19
-
€2,331 EUR
$2,615 USD
View
B
Retailer 20
-
€2,344 EUR
$2,630 USD
View
B
Retailer 21
-
€2,365 EUR
$2,652 USD
View
B
Retailer 22
-
€2,862 EUR
£2,528 GBP
View
B
Retailer 23
-
€3,213 EUR
View
Most Expensive
B
Brilliant Earth
19705076A · Nov 2
€3,326 EUR
$3,730 USD
View
23 more retailers have this diamond
Prices start from €655 EURSave up to €2,670 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
€655 EUR