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Heart|Lab Grown|IGI

3.57ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695374

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695374

Diamond specifications and retailer prices

From $4,055 SGD
$3,172 USD
As of October 30, 2026
Save $16,407 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,462 SGD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.57ct lab-grown heart diamond

This 3.57ct 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 LG817695374 or 817695374. Listed at 22 retailers as of October 30, 2026, with prices from $4,055 to $20,462, a $16,407 spread on the same certified stone. With Clarity lists it at $20,462. 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

3.57
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695374
Dimensions9.48 × 10.46 × 6.06 mm
L/W Ratio1.10
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
9.48 mm10.46 mm3.57 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695374
Side View
Table 59.0%Crown 37.3°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 57.9%

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: $15,315 SGD|Low: $4,055 SGD|High: $21,873 SGD|Avg: $8,694 SGD|-30.0%
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
With Clarity
October 30, 2026
Retailer 5$4,055 SGD
Retailer 18$4,412 SGD
Retailer 3$4,607 SGD
Retailer 7$4,703 SGD
Retailer 8$4,703 SGD
Retailer 2$4,903 SGD
Retailer 15$5,354 SGD
Retailer 4$5,656 SGD
Retailer 9$5,878 SGD
Retailer 17$5,914 SGD
Retailer 12$6,249 SGD
Retailer 6$7,306 SGD
Retailer 13$8,901 SGD
Retailer 11$10,920 SGD
Retailer 16$11,494 SGD
Retailer 14$11,987 SGD
Retailer 1$15,315 SGD
Retailer 10$16,432 SGD
With Clarity$20,462 SGD

30 data points across 19 retailers

22 retailers$4,055 SGD to $20,462 SGD

A
Cheapest Retailer
-
$4,055 SGD
$3,172 USD
A
Retailer 2
-
$4,412 SGD
$3,451 USD
View
A
Retailer 3
-
$4,607 SGD
$3,604 USD
View
A
Retailer 4
-
$4,703 SGD
$3,679 USD
View
Retailer 5
-
$4,703 SGD
$3,679 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$4,903 SGD
$3,835 USD
View
B+
Retailer 7
-
$5,354 SGD
$4,188 USD
View
Final sale: no returns
B+
Retailer 8
-
$5,656 SGD
$4,424 USD
View
B+
Retailer 9
-
$5,878 SGD
$4,598 USD
View
B+
Retailer 10
-
$5,914 SGD
$4,626 USD
View
B+
Retailer 11
-
$6,249 SGD
£3,849 GBP
View
B+
Retailer 12
-
$7,306 SGD
$5,715 USD
View
Retailer 13
-
$7,412 SGD
$5,798 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$8,901 SGD
€6,631 EUR
View
B+
Retailer 15
-
$10,920 SGD
ZAR 137,994 ZAR
View
B+
Retailer 16
-
$11,494 SGD
$8,991 USD
View
B+
Retailer 17
-
$11,738 SGD
$9,182 USD
View
B+
Retailer 18
-
$11,987 SGD
£7,383 GBP
View
B
Retailer 19
-
$15,315 SGD
$11,980 USD
View
B
Retailer 20
-
$16,432 SGD
$12,854 USD
View
B
Retailer 21
-
$18,686 SGD
View
Most Expensive
B
With Clarity
817695374 · Oct 30
$20,462 SGD
$16,006 USD
View
21 more retailers have this diamond
Prices start from $4,055 SGDSave up to $16,407 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
3.57ct Heart
$4,055 SGD