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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG795618620

Shape and cutting style on the report: Round brilliant

Certificate IGI LG795618620

Diamond specifications and retailer prices

From $735 USD
As of October 29, 2026
Save $2,995 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,730 USD 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 LG795618620 or 795618620. Listed at 22 retailers as of October 29, 2026, with prices from $735 to $3,730, a $2,995 spread on the same certified stone. Brilliant Earth lists it at $3,730. 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 angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795618620
Dimensions7.46 × 7.41 × 4.50 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
7.46 mm7.41 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795618620
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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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: $3,730 USD|Low: $631 USD|High: $4,860 USD|Avg: $1,890 USD|-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 3$657 USD
Retailer 4$735 USD
Retailer 7$762 USD
Retailer 9$1,005 USD
Retailer 15$1,048 USD
Retailer 12$1,080 USD
Retailer 6$1,090 USD
Retailer 14$1,175 USD
Retailer 2$1,212 USD
Retailer 13$1,388 USD
Retailer 16$1,770 USD
Retailer 17$2,455 USD
Retailer 8$2,565 USD
Retailer 5$2,652 USD
Retailer 10$3,228 USD
Retailer 11$3,598 USD
Brilliant Earth$3,730 USD

39 data points across 17 retailers

22 retailers$735 USD to $3,730 USD

Retailer 1
-
$657 USD
Price last confirmed 20 days ago
Retailer 2
-
$715 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$735 USD
View
Final sale: no returns
Retailer 4
-
$762 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$762 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$1,005 USD
View
Retailer 7
-
$1,048 USD
£825 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,076 USD
View
B+
Retailer 9
-
$1,080 USD
View
B+
Retailer 10
-
$1,090 USD
View
B+
Retailer 11
-
$1,175 USD
A$1,808 AUD
View
B+
Retailer 12
-
$1,212 USD
£954 GBP
View
B+
Retailer 13
-
$1,388 USD
ZAR 22,422 ZAR
View
B
Retailer 14
-
$1,770 USD
View
Retailer 15
-
$2,143 USD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$2,455 USD
View
B
Retailer 17
-
$2,565 USD
SGD 3,466 SGD
View
B
Retailer 18
-
$2,630 USD
View
B
Retailer 19
-
$2,652 USD
View
B
Retailer 20
-
$3,228 USD
£2,542 GBP
View
B
Retailer 21
-
$3,598 USD
€3,427 EUR
View
Most Expensive
B
Brilliant Earth
20045752A · Oct 30
$3,730 USD
View
21 more retailers have this diamond
Prices start from $735 USDSave up to $2,995 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.

A
1.51ct Round
$735 USD