CaratHunter
Plans
Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611924

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611924

Diamond specifications and retailer prices

From $4,999 SGD
$3,910 USD
As of October 30, 2026
Save $16,677 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,675 SGD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG800611924 or 800611924. Listed at 22 retailers as of October 30, 2026, with prices from $4,999 to $21,675, a $16,677 spread on the same certified stone. With Clarity lists it at $21,675. 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 angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611924
Dimensions10.55 × 9.35 × 6.17 mm
L/W Ratio1.13
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
10.55 mm9.35 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611924
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $13,653 SGD|Low: $4,799 SGD|High: $23,593 SGD|Avg: $10,880 SGD|-4.8%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 19$4,999 SGD
Retailer 6$5,239 SGD
Retailer 7$5,492 SGD
Retailer 8$5,598 SGD
Retailer 3$5,799 SGD
Retailer 5$5,844 SGD
Retailer 18$5,874 SGD
Retailer 12$6,382 SGD
Retailer 17$6,784 SGD
Retailer 4$7,246 SGD
Retailer 14$7,605 SGD
Retailer 16$8,546 SGD
Retailer 15$12,488 SGD
Retailer 13$13,463 SGD
Retailer 1$13,653 SGD
Retailer 9$16,890 SGD
Retailer 10$19,793 SGD
Retailer 11$20,548 SGD
With Clarity$21,242 SGD
Retailer 2$21,503 SGD

40 data points across 20 retailers

22 retailers$4,999 SGD to $21,675 SGD

A
Cheapest Retailer
-
$4,999 SGD
$3,910 USD
A
Retailer 2
-
$5,239 SGD
$4,098 USD
View
A
Retailer 3
-
$5,492 SGD
$4,296 USD
View
A
Retailer 4
-
$5,598 SGD
$4,379 USD
View
Final sale: no returns
Retailer 5
-
$5,799 SGD
$4,536 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$5,799 SGD
$4,536 USD
View
B+
Retailer 7
-
$5,844 SGD
$4,571 USD
View
B+
Retailer 8
-
$5,874 SGD
$4,595 USD
View
B+
Retailer 9
-
$6,382 SGD
HK$39,000 HKD
View
B+
Retailer 10
-
$6,784 SGD
$5,307 USD
View
B+
Retailer 11
-
$7,246 SGD
$5,668 USD
View
B+
Retailer 12
-
$7,605 SGD
£4,684 GBP
View
B+
Retailer 13
-
$8,546 SGD
$6,685 USD
View
B+
Retailer 14
-
$12,488 SGD
£7,692 GBP
View
B+
Retailer 15
-
$13,037 SGD
$10,198 USD
View
B+
Retailer 16
-
$13,463 SGD
ZAR 170,136 ZAR
View
B
Retailer 17
-
$13,653 SGD
$10,680 USD
View
B
Retailer 18
-
$16,890 SGD
$13,212 USD
View
B
Retailer 19
-
$19,793 SGD
View
B
Retailer 20
-
$20,548 SGD
$16,073 USD
View
B
Retailer 21
-
$21,503 SGD
$16,820 USD
View
Most Expensive
B
With Clarity
800611924 · Oct 30
$21,675 SGD
$16,955 USD
View
21 more retailers have this diamond
Prices start from $4,999 SGDSave up to $16,677 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
$4,999 SGD