Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838619572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838619572

Diamond specifications and retailer prices

From $333 USD
As of October 29, 2026
Save $2,637 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,970 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619572 or 838619572. Listed at 20 retailers as of October 29, 2026, with prices from $333 to $2,970, a $2,637 spread on the same certified stone. Brilliant Earth lists it at $2,970. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619572
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
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
7.28 mm7.31 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619572
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

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A+
Exceptional
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: $2,970 USD|Low: $333 USD|High: $3,850 USD|Avg: $881 USD|-16.6%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 20$333 USD
Retailer 5$372 USD
Retailer 18$387 USD
Retailer 13$413 USD
Retailer 9$419 USD
Retailer 12$461 USD
Retailer 19$531 USD
Retailer 7$555 USD
Retailer 14$555 USD
Retailer 2$669 USD
Retailer 3$670 USD
Retailer 6$710 USD
Retailer 15$739 USD
Retailer 4$964 USD
Retailer 17$1,213 USD
Retailer 8$1,320 USD
Retailer 16$1,329 USD
Retailer 11$1,464 USD
Retailer 10$1,681 USD
Brilliant Earth$2,970 USD

20 data points across 20 retailers

20 retailers$333 USD to $2,970 USD

A+
Cheapest Retailer
-
$333 USD
A
Retailer 2
-
$372 USD
View
Final sale: no returns
A
Retailer 3
-
$387 USD
View
A
Retailer 4
-
$413 USD
View
A
Retailer 5
-
$419 USD
View
A
Retailer 6
-
$461 USD
HK$3,600 HKD
View
A
Retailer 7
-
$531 USD
£418 GBP
View
A
Retailer 8
-
$555 USD
View
A
Retailer 9
-
$555 USD
View
A
Retailer 10
-
$669 USD
€637 EUR
View
A
Retailer 11
-
$670 USD
View
A
Retailer 12
-
$710 USD
ZAR 11,478 ZAR
View
A
Retailer 13
-
$739 USD
£582 GBP
View
A
Retailer 14
-
$964 USD
A$1,483 AUD
View
B+
Retailer 15
-
$1,213 USD
View
B+
Retailer 16
-
$1,320 USD
SGD 1,784 SGD
View
B+
Retailer 17
-
$1,329 USD
View
B+
Retailer 18
-
$1,464 USD
View
B+
Retailer 19
-
$1,681 USD
£1,324 GBP
View
Most Expensive
B
Brilliant Earth
21621094A · Oct 30
$2,970 USD
View
19 more retailers have this diamond
Prices start from $333 USDSave up to $2,637 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
$333 USD