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Round|Lab Grown|IGI

3.70ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG840632431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840632431

Diamond specifications and retailer prices

From $2,434 SGD
As of November 3, 2026
Save $13,297 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,731 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632431 or 840632431. Listed at 22 retailers as of November 3, 2026, with prices from $2,434 to $15,731, a $13,297 spread on the same certified stone. Brilliant Earth lists it at $15,731. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.70
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632431
Dimensions9.93 × 9.99 × 6.06 mm
L/W Ratio1.01
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
9.93 mm9.99 mm3.70 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632431
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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 3
Current: $15,731 SGD|Low: $2,434 SGD|High: $17,891 SGD|Avg: $6,269 SGD|-12.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 22$2,434 SGD
Retailer 9$2,649 SGD
Retailer 6$2,733 SGD
Retailer 12$2,824 SGD
Retailer 19$2,862 SGD
Retailer 14$3,070 SGD
Retailer 16$3,353 SGD
Retailer 13$3,830 SGD
Retailer 21$4,101 SGD
Retailer 17$4,424 SGD
Retailer 20$4,589 SGD
Retailer 7$4,637 SGD
Retailer 4$5,293 SGD
Retailer 5$6,577 SGD
Retailer 8$7,345 SGD
Retailer 18$7,559 SGD
Retailer 2$8,044 SGD
Retailer 11$9,536 SGD
Retailer 3$9,890 SGD
Retailer 10$10,446 SGD
Retailer 15$12,012 SGD
Brilliant Earth$15,731 SGD

22 data points across 22 retailers

22 retailers$2,434 SGD to $15,731 SGD

A
Cheapest Retailer
-
$2,434 SGD
A
Retailer 2
-
$2,649 SGD
View
A
Retailer 3
-
$2,733 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,824 SGD
View
A
Retailer 5
-
$2,862 SGD
View
A
Retailer 6
-
$3,070 SGD
View
B+
Retailer 7
-
$3,353 SGD
View
B+
Retailer 8
-
$3,830 SGD
View
B+
Retailer 9
-
$4,101 SGD
View
B+
Retailer 10
-
$4,424 SGD
View
B+
Retailer 11
-
$4,589 SGD
View
B+
Retailer 12
-
$4,637 SGD
View
B
Retailer 13
-
$5,293 SGD
View
B+
Retailer 14
-
$6,577 SGD
View
B+
Retailer 15
-
$7,345 SGD
View
B
Retailer 16
-
$7,559 SGD
View
B+
Retailer 17
-
$8,044 SGD
View
B
Retailer 18
-
$9,536 SGD
View
B
Retailer 19
-
$9,890 SGD
View
B
Retailer 20
-
$10,446 SGD
View
B
Retailer 21
-
$12,012 SGD
View
Most Expensive
B
Brilliant Earth
21826977A · Nov 4
$15,731 SGD
$12,310 USD
View
21 more retailers have this diamond
Prices start from $2,434 SGDSave up to $13,297 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
3.70ct Round
$2,434 SGD