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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 $1,680 USD
As of October 29, 2026
Save $3,430 USD (67%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,114 USD at With Clarity · As of October 30, 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 22 retailers as of October 29, 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
Color
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: Oct 29
Current: $2,675 USD|Low: $1,613 USD|High: $5,634 USD|Avg: $3,358 USD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$1,680 USD
Retailer 2$1,949 USD
Retailer 8$2,120 USD
Retailer 1$2,675 USD
Retailer 4$2,752 USD
Retailer 11$2,788 USD
Retailer 7$3,027 USD
Retailer 5$3,583 USD
Retailer 9$5,110 USD
Retailer 3$5,253 USD
Retailer 6$5,597 USD

36 data points across 11 retailers

22 retailers$1,680 USD to $5,110 USD

B+
Cheapest Retailer
-
$1,680 USD
B+
Retailer 2
-
$1,828 USD
View
B+
Retailer 3
-
$1,882 USD
View
Final sale: no returns
Retailer 4
-
$1,949 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,949 USD
View
B+
Retailer 6
-
$2,083 USD
View
B+
Retailer 7
-
$2,120 USD
View
B
Retailer 8
-
$2,253 USD
HK$17,600 HKD
View
B+
Retailer 9
-
$2,675 USD
£2,106 GBP
View
B+
Retailer 10
-
$2,752 USD
£2,167 GBP
View
B
Retailer 11
-
$2,788 USD
View
B
Retailer 12
-
$3,027 USD
€2,883 EUR
View
B
Retailer 13
-
$3,064 USD
View
B
Retailer 14
-
$3,583 USD
ZAR 57,886 ZAR
View
B
Retailer 15
-
$3,653 USD
View
B
Retailer 16
-
$5,110 USD
View
Retailer 17
-
$5,253 USD
View
Price under review
Retailer 18
-
$5,597 USD
£4,407 GBP
View
Price under review
Retailer 19
-
$5,917 USD
View
Price under review
Retailer 20
-
$6,514 USD
SGD 8,803 SGD
View
Price under review
Retailer 21
-
$6,840 USD
View
Price under review
Most Expensive
With Clarity
786634063 · Oct 30
$7,114 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,680 USDSave up to $3,430 USD

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
$1,680 USD