CaratHunter
Plans
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 HK$23,200 HKD
$2,957 USD
As of November 1, 2026
Save HK$119,357 HKD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$142,556 HKD 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 HK$23,200 to HK$142,556, a HK$119,357 spread on the same certified stone. Do Amore Diamonds lists it at HK$142,556. 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: HK$142,556 HKD|Low: HK$23,200 HKD|High: HK$196,979 HKD|Avg: HK$93,321 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2HK$23,200 HKD
Retailer 3HK$24,039 HKD
Retailer 6HK$36,458 HKD
Retailer 4HK$70,678 HKD
Retailer 7HK$130,631 HKD
Do Amore DiamondsHK$142,556 HKD
Retailer 5HK$196,979 HKD

5 data points across 7 retailers

6 retailersHK$23,200 HKD to HK$142,556 HKD

Retailer 1
-
HK$20,720 HKD
$2,641 USD
Price last confirmed 24 days ago
Retailer 2
-
HK$22,541 HKD
$2,873 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
HK$23,200 HKD
$2,957 USD
View
Final sale: no returns
Retailer 4
-
HK$24,039 HKD
$3,064 USD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$24,039 HKD
$3,064 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-B9BCC2672 · Oct 31
HK$142,556 HKD
$18,170 USD
View
5 more retailers have this diamond
Prices start from HK$23,200 HKDSave up to HK$119,357 HKD

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
HK$23,200 HKD