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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG839608224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839608224

Diamond specifications and retailer prices

From $313 SGD
$245 USD
As of November 1, 2026
Save $1,810 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,123 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839608224 or 839608224. Listed at 15 retailers as of November 1, 2026, with prices from $313 to $2,123, a $1,810 spread on the same certified stone. Brilliant Earth lists it at $2,123. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608224
Dimensions6.83 × 6.80 × 4.13 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
6.83 mm6.80 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608224
Side View
Table 58.0%Crown 33.2°Girdle: Slightly ThickPavilion 40.4°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: Nov 1
Current: $2,123 SGD|Low: $302 SGD|High: $2,340 SGD|Avg: $944 SGD|-9.3%
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$313 SGD
Retailer 5$350 SGD
Retailer 3$389 SGD
Retailer 7$524 SGD
Retailer 9$617 SGD
Retailer 10$672 SGD
Retailer 12$701 SGD
Retailer 2$730 SGD
Retailer 4$893 SGD
Retailer 13$949 SGD
Retailer 8$990 SGD
Retailer 6$1,317 SGD
Retailer 11$1,559 SGD
Retailer 15$1,712 SGD
Brilliant Earth$2,123 SGD

33 data points across 15 retailers

15 retailers$313 SGD to $2,123 SGD

A
Cheapest Retailer
-
$313 SGD
$245 USD
A
Retailer 2
-
$350 SGD
$274 USD
View
Final sale: no returns
Retailer 3
-
$389 SGD
$304 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$524 SGD
$410 USD
View
A
Retailer 5
-
$617 SGD
£380 GBP
View
A
Retailer 6
-
$672 SGD
ZAR 8,489 ZAR
View
A
Retailer 7
-
$701 SGD
€522 EUR
View
A
Retailer 8
-
$730 SGD
£449 GBP
View
B+
Retailer 9
-
$893 SGD
$698 USD
View
B+
Retailer 10
-
$949 SGD
A$1,142 AUD
View
B+
Retailer 11
-
$990 SGD
$774 USD
View
B
Retailer 12
-
$1,317 SGD
$1,030 USD
View
B+
Retailer 13
-
$1,559 SGD
£960 GBP
View
B
Retailer 14
-
$1,712 SGD
$1,339 USD
View
Most Expensive
B
Brilliant Earth
21662127A · Nov 2
$2,123 SGD
$1,660 USD
View
14 more retailers have this diamond
Prices start from $313 SGDSave up to $1,810 SGD

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
1.20ct Round
$313 SGD