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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG792676493

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792676493

Diamond specifications and retailer prices

From $5,358 SGD
$4,191 USD
As of October 30, 2026
Save $16,145 SGD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,503 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792676493 or 792676493. Listed at 15 retailers as of October 30, 2026, with prices from $5,358 to $21,503, a $16,145 spread on the same certified stone. Brilliant Earth lists it at $21,503. 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

3.51
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792676493
Dimensions9.55 × 10.55 × 6.07 mm
L/W Ratio1.10
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
9.55 mm10.55 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792676493
Side View
Table 63.0%Crown 34.9°Girdle: THN-STKPavilion 41.3°Culet: NoneDepth 57.5%

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 30
Current: $21,503 SGD|Low: $5,358 SGD|High: $22,180 SGD|Avg: $11,659 SGD|-3.1%
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
October 31, 2026
Retailer 5$5,358 SGD
Retailer 3$5,644 SGD
Retailer 4$5,796 SGD
Retailer 8$6,104 SGD
Retailer 14$6,731 SGD
Retailer 10$7,391 SGD
Retailer 13$8,310 SGD
Retailer 11$9,163 SGD
Retailer 12$12,154 SGD
Retailer 7$13,079 SGD
Retailer 9$13,103 SGD
Retailer 2$19,350 SGD
Retailer 6$19,966 SGD
Brilliant Earth$21,503 SGD

43 data points across 14 retailers

15 retailers$5,358 SGD to $21,503 SGD

A
Cheapest Retailer
-
$5,358 SGD
$4,191 USD
Retailer 2
-
$5,644 SGD
$4,415 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$5,796 SGD
$4,534 USD
View
B+
Retailer 4
-
$6,104 SGD
HK$37,300 HKD
View
B+
Retailer 5
-
$6,731 SGD
$5,265 USD
View
B+
Retailer 6
-
$7,391 SGD
£4,553 GBP
View
B+
Retailer 7
-
$8,310 SGD
$6,500 USD
View
B+
Retailer 8
-
$9,163 SGD
€6,826 EUR
View
B+
Retailer 9
-
$12,154 SGD
£7,486 GBP
View
B+
Retailer 10
-
$12,485 SGD
$9,766 USD
View
B+
Retailer 11
-
$13,079 SGD
$10,231 USD
View
B+
Retailer 12
-
$13,103 SGD
ZAR 165,588 ZAR
View
B
Retailer 13
-
$19,350 SGD
$15,136 USD
View
B
Retailer 14
-
$19,966 SGD
$15,618 USD
View
Most Expensive
B
Brilliant Earth
19356652A · Oct 30
$21,503 SGD
$16,820 USD
View
14 more retailers have this diamond
Prices start from $5,358 SGDSave up to $16,145 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
3.51ct Heart
$5,358 SGD