CaratHunter
Plans
Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6512020495

Certificate GIA 6512020495

Diamond specifications and retailer prices

From HK$345,232 HKD
$44,003 USD
As of October 31, 2026
Save HK$65,800 HKD (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$411,032 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 3.51ct natural oval diamond

This 3.51ct natural oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512020495. Listed at 4 retailers as of October 31, 2026, with prices from HK$345,232 to HK$411,032, a HK$65,800 spread on the same certified stone. 77 Diamonds lists it at HK$411,032. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6512020495
Dimensions11.54 × 8.29 × 5.44 mm
L/W Ratio1.39
Top View
11.54 mm8.29 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512020495
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$411,032 HKD|Low: HK$345,232 HKD|High: HK$414,599 HKD|Avg: HK$389,397 HKD|+1.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4HK$345,232 HKD
Retailer 2HK$392,630 HKD
Retailer 3HK$408,761 HKD
77 DiamondsHK$411,032 HKD

35 data points across 4 retailers

4 retailersHK$345,232 HKD to HK$411,032 HKD

B
Cheapest Retailer
-
HK$345,232 HKD
$44,003 USD
B
Retailer 2
-
HK$392,630 HKD
$50,044 USD
View
B
Retailer 3
-
HK$408,761 HKD
$52,100 USD
View
Most Expensive
B
77 Diamonds
OVMBK5CQAXPS · Nov 2
HK$411,032 HKD
£41,252 GBP
View
3 more retailers have this diamond
Prices start from HK$345,232 HKDSave up to HK$65,800 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.

B
3.51ct Oval
HK$345,232 HKD