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Heart|Lab Grown|GIA

3.51ct D IF Heart Lab Grown Diamond

EX • D/IF • GIA 1518336788

Certificate GIA 1518336788

Diamond specifications and retailer prices

From $3,780 SGD
$2,957 USD
As of November 1, 2026
Save $19,448 SGD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $23,229 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1518336788. Listed at 6 retailers as of October 31, 2026, with prices from $3,780 to $23,229, a $19,448 spread on the same certified stone. Do Amore Diamonds lists it at $23,229. 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
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1518336788
Dimensions10.40 × 9.74 × 6.20 mm
L/W Ratio1.07
Girdle conditionSlightly Thick
Cert comments
This is a man-made diamond.
Top View
10.40 mm9.74 mm3.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518336788
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.6%

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: Nov 1
Current: $23,229 SGD|Low: $3,780 SGD|High: $32,096 SGD|Avg: $15,206 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$3,780 SGD
Retailer 3$3,917 SGD
Retailer 6$5,941 SGD
Retailer 4$11,517 SGD
Retailer 7$21,285 SGD
Do Amore Diamonds$23,229 SGD
Retailer 5$32,096 SGD

5 data points across 7 retailers

6 retailers$3,780 SGD to $23,229 SGD

Retailer 1
-
$3,376 SGD
$2,641 USD
Price last confirmed 24 days ago
Retailer 2
-
$3,673 SGD
$2,873 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$3,780 SGD
$2,957 USD
View
Final sale: no returns
Retailer 4
-
$3,917 SGD
$3,064 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$3,917 SGD
$3,064 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-B9BCC2672 · Oct 31
$23,229 SGD
$18,170 USD
View
5 more retailers have this diamond
Prices start from $3,780 SGDSave up to $19,448 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
$3,780 SGD