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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837615667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837615667

Diamond specifications and retailer prices

From $302 SGD
$236 USD
As of November 1, 2026
Save $1,591 SGD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,893 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 LG837615667 or 837615667. Listed at 20 retailers as of November 1, 2026, with prices from $302 to $1,893, a $1,591 spread on the same certified stone. Brilliant Earth lists it at $1,893. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615667
Dimensions6.92 × 6.87 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.92 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615667
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.8%

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: $1,893 SGD|Low: $299 SGD|High: $1,893 SGD|Avg: $807 SGD
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
November 3, 2026
Retailer 17$302 SGD
Retailer 3$339 SGD
Retailer 7$350 SGD
Retailer 10$371 SGD
Retailer 4$375 SGD
Retailer 5$514 SGD
Retailer 13$593 SGD
Retailer 15$631 SGD
Retailer 16$647 SGD
Retailer 19$680 SGD
Retailer 2$705 SGD
Retailer 12$889 SGD
Retailer 9$906 SGD
Retailer 14$948 SGD
Retailer 6$1,205 SGD
Retailer 20$1,271 SGD
Retailer 8$1,496 SGD
Retailer 18$1,674 SGD
Retailer 11$1,707 SGD
Brilliant Earth$1,893 SGD

24 data points across 20 retailers

20 retailers$302 SGD to $1,893 SGD

A
Cheapest Retailer
-
$302 SGD
$236 USD
A
Retailer 2
-
$339 SGD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$350 SGD
$274 USD
View
Retailer 4
-
$371 SGD
$290 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$375 SGD
$293 USD
View
A
Retailer 6
-
$514 SGD
$402 USD
View
A
Retailer 7
-
$593 SGD
£365 GBP
View
A
Retailer 8
-
$631 SGD
€470 EUR
View
A
Retailer 9
-
$647 SGD
ZAR 8,171 ZAR
View
A
Retailer 10
-
$680 SGD
$532 USD
View
A
Retailer 11
-
$705 SGD
£434 GBP
View
B+
Retailer 12
-
$889 SGD
$695 USD
View
B+
Retailer 13
-
$906 SGD
A$1,090 AUD
View
B+
Retailer 14
-
$948 SGD
$741 USD
View
B+
Retailer 15
-
$1,205 SGD
$942 USD
View
B+
Retailer 16
-
$1,271 SGD
$994 USD
View
B+
Retailer 17
-
$1,496 SGD
£921 GBP
View
B+
Retailer 18
-
$1,674 SGD
$1,309 USD
View
B
Retailer 19
-
$1,707 SGD
$1,335 USD
View
Most Expensive
B
Brilliant Earth
21690652A · Nov 2
$1,893 SGD
$1,480 USD
View
19 more retailers have this diamond
Prices start from $302 SGDSave up to $1,591 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
$302 SGD