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Heart|Lab Grown|IGI

15.35ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG638499200

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG638499200

Diamond specifications and retailer prices

From $5,365 SGD
$4,195 USD
As of November 1, 2026
Save $19,803 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $37,766 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.35ct lab-grown heart diamond

This 15.35ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG638499200 or 638499200. Listed at 16 retailers as of October 31, 2026, with a 369% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

15.35
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638499200
Dimensions17.69 × 15.51 × 9.62 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.69 mm15.51 mm15.35 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638499200
Side View
Table 59.0%Crown 35.9°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 54.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $37,766 SGD|Low: $2,956 SGD|High: $37,766 SGD|Avg: $8,773 SGD|+37.6%
Do Amore Diamonds
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
November 2, 2026
Retailer 8$4,627 SGD
Retailer 5$5,365 SGD
Retailer 16$5,489 SGD
Retailer 2$5,645 SGD
Retailer 10$5,752 SGD
Retailer 4$6,368 SGD
Retailer 12$6,426 SGD
Retailer 15$6,686 SGD
Retailer 13$8,286 SGD
Retailer 11$8,783 SGD
Retailer 9$9,144 SGD
Retailer 7$9,329 SGD
Retailer 14$16,436 SGD
Retailer 6$18,061 SGD
Retailer 3$25,168 SGD
Do Amore Diamonds$37,766 SGD

29 data points across 16 retailers

16 retailers$5,365 SGD to $25,168 SGD

Retailer 1
-
$4,627 SGD
$3,618 USD
Price last confirmed 21 days ago
B+
Retailer 2
-
$5,365 SGD
$4,195 USD
View
B+
Retailer 3
-
$5,489 SGD
$4,292 USD
View
B+
Retailer 4
-
$5,645 SGD
£3,475 GBP
View
B+
Retailer 5
-
$5,752 SGD
$4,498 USD
View
B+
Retailer 6
-
$6,368 SGD
$4,979 USD
View
B+
Retailer 7
-
$6,426 SGD
$5,025 USD
View
B+
Retailer 8
-
$6,686 SGD
$5,228 USD
View
B
Retailer 9
-
$8,286 SGD
$6,479 USD
View
B
Retailer 10
-
$8,783 SGD
$6,868 USD
View
B
Retailer 11
-
$9,144 SGD
£5,630 GBP
View
B+
Retailer 12
-
$9,329 SGD
$7,294 USD
View
B
Retailer 13
-
$16,436 SGD
$12,852 USD
View
B
Retailer 14
-
$18,061 SGD
$14,122 USD
View
B
Retailer 15
-
$25,168 SGD
$19,680 USD
View
Most Expensive
Do Amore Diamonds
27-2023659BA · Nov 2
$37,766 SGD
$29,530 USD
View
Price under review
15 more retailers have this diamond
Prices start from $5,365 SGDSave up to $19,803 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.

B+
15.35ct Heart
$5,365 SGD