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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG786634063

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786634063

Diamond specifications and retailer prices

From €1,498 EUR
$1,680 USD
As of November 1, 2026
Save €3,058 EUR (67%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €6,343 EUR at With Clarity · As of November 3, 2026
View at With Clarity

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 LG786634063 or 786634063. Listed at 23 retailers as of November 1, 2026, with a 204% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634063
Dimensions7.33 × 7.37 × 4.53 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 mm7.37 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634063
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,454 EUR|Low: €1,438 EUR|High: €4,990 EUR|Avg: €2,871 EUR|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 12€1,498 EUR
Retailer 3€1,738 EUR
Retailer 10€1,890 EUR
Retailer 6€2,378 EUR
Retailer 1€2,454 EUR
Retailer 2€2,486 EUR
Retailer 7€2,703 EUR
Retailer 5€2,763 EUR
Retailer 9€3,195 EUR
Retailer 11€4,556 EUR
Retailer 4€4,683 EUR
Retailer 8€4,963 EUR

36 data points across 12 retailers

23 retailers€1,498 EUR to €4,556 EUR

B+
Cheapest Retailer
-
€1,498 EUR
$1,680 USD
B+
Retailer 2
-
€1,630 EUR
$1,828 USD
View
B+
Retailer 3
-
€1,678 EUR
$1,882 USD
View
Final sale: no returns
Retailer 4
-
€1,738 EUR
$1,949 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€1,738 EUR
$1,949 USD
View
B
Retailer 6
-
€1,857 EUR
$2,083 USD
View
B+
Retailer 7
-
€1,890 EUR
$2,120 USD
View
B
Retailer 8
-
€2,009 EUR
HK$17,600 HKD
View
B
Retailer 9
-
€2,331 EUR
$2,615 USD
View
B+
Retailer 10
-
€2,378 EUR
£2,100 GBP
View
B+
Retailer 11
-
€2,454 EUR
£2,167 GBP
View
B
Retailer 12
-
€2,486 EUR
$2,788 USD
View
B
Retailer 13
-
€2,703 EUR
View
B
Retailer 14
-
€2,763 EUR
$3,099 USD
View
B
Retailer 15
-
€3,195 EUR
ZAR 57,886 ZAR
View
B
Retailer 16
-
€3,257 EUR
$3,653 USD
View
B
Retailer 17
-
€4,556 EUR
$5,110 USD
View
Retailer 18
-
€4,683 EUR
$5,253 USD
View
Price under review
Retailer 19
-
€4,963 EUR
£4,383 GBP
View
Price under review
Retailer 20
-
€5,276 EUR
$5,917 USD
View
Price under review
Retailer 21
-
€5,808 EUR
SGD 8,803 SGD
View
Price under review
Retailer 22
-
€6,098 EUR
$6,840 USD
View
Price under review
Most Expensive
With Clarity
786634063 · Nov 3
€6,343 EUR
$7,114 USD
View
Price under review
22 more retailers have this diamond
Prices start from €1,498 EURSave up to €3,058 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.

B+
1.51ct Round
€1,498 EUR