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Round|Lab Grown|IGI

3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606731

Diamond specifications and retailer prices

From $1,992 SGD
$1,558 USD
As of October 31, 2026
Save $14,397 SGD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,389 SGD at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606731 or 790606731. Listed at 14 retailers as of October 30, 2026, with prices from $1,992 to $16,389, a $14,397 spread on the same certified stone. Brilliant Earth lists it at $16,389. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606731
Dimensions9.96 × 9.92 × 6.10 mm
L/W Ratio1.00
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
9.96 mm9.92 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606731
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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 31
Current: $16,389 SGD|Low: $1,423 SGD|High: $23,446 SGD|Avg: $7,202 SGD|-30.1%
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
October 31, 2026
Retailer 5$1,992 SGD
Retailer 12$2,038 SGD
Retailer 18$2,217 SGD
Retailer 14$2,673 SGD
Retailer 2$3,720 SGD
Retailer 11$4,179 SGD
Retailer 4$4,235 SGD
Retailer 17$4,890 SGD
Retailer 3$5,700 SGD
Retailer 6$6,002 SGD
Retailer 8$6,565 SGD
Retailer 10$6,805 SGD
Retailer 13$7,490 SGD
Retailer 16$7,817 SGD
Retailer 7$10,996 SGD
Retailer 9$12,632 SGD
Retailer 15$14,011 SGD
Brilliant Earth$16,389 SGD

30 data points across 18 retailers

14 retailers$1,992 SGD to $16,389 SGD

A
Cheapest Retailer
-
$1,992 SGD
$1,558 USD
Final sale: no returns
A
Retailer 2
-
$2,038 SGD
$1,594 USD
View
A
Retailer 3
-
$2,217 SGD
$1,734 USD
View
A
Retailer 4
-
$2,673 SGD
$2,091 USD
View
A
Retailer 5
-
$3,720 SGD
$2,910 USD
View
A
Retailer 6
-
$4,179 SGD
$3,269 USD
View
A
Retailer 7
-
$4,235 SGD
$3,313 USD
View
B+
Retailer 8
-
$4,890 SGD
$3,825 USD
View
B+
Retailer 9
-
$5,700 SGD
$4,459 USD
View
B+
Retailer 10
-
$7,490 SGD
£4,613 GBP
View
B+
Retailer 11
-
$7,817 SGD
$6,115 USD
View
Retailer 12
-
$8,533 SGD
$6,675 USD
View
Price last confirmed 23 days ago
B
Retailer 13
-
$14,011 SGD
$10,960 USD
View
Most Expensive
B
Brilliant Earth
21413588Y · Oct 30
$16,389 SGD
$12,820 USD
View
13 more retailers have this diamond
Prices start from $1,992 SGDSave up to $14,397 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
$1,992 SGD