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Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1529883125

Certificate GIA 1529883125

Diamond specifications and retailer prices

From HK$300,325 HKD
$38,277 USD
As of November 2, 2026
Save HK$242,045 HKD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$542,370 HKD at MOH London · As of October 29, 2026
View at MOH London

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 1529883125. Listed at 15 retailers as of October 29, 2026, with prices from HK$300,325 to HK$542,370, a HK$242,045 spread on the same certified stone. MOH London lists it at HK$542,370. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1529883125
Dimensions11.95 × 8.51 × 5.37 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
11.95 mm8.51 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529883125
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$542,370 HKD|Low: HK$300,325 HKD|High: HK$545,987 HKD|Avg: HK$372,941 HKD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5HK$300,325 HKD
Retailer 2HK$315,505 HKD
Retailer 4HK$316,166 HKD
Retailer 8HK$345,150 HKD
Retailer 7HK$350,644 HKD
Retailer 9HK$359,822 HKD
Retailer 12HK$359,822 HKD
Retailer 11HK$374,220 HKD
Retailer 13HK$388,609 HKD
Retailer 10HK$399,751 HKD
Retailer 3HK$402,877 HKD
Retailer 6HK$409,655 HKD
MOH LondonHK$542,370 HKD

46 data points across 13 retailers

15 retailersHK$300,325 HKD to HK$542,370 HKD

B+
Cheapest Retailer
-
HK$300,325 HKD
$38,277 USD
B+
Retailer 2
-
HK$315,505 HKD
₹3,829,690 INR
View
B+
Retailer 3
-
HK$316,166 HKD
$40,296 USD
View
B+
Retailer 4
-
HK$327,002 HKD
$41,677 USD
View
B
Retailer 5
-
HK$345,150 HKD
$43,990 USD
View
Retailer 6
-
HK$345,150 HKD
$43,990 USD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
HK$350,644 HKD
£35,189 GBP
View
Retailer 8
-
HK$359,822 HKD
$45,860 USD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
HK$359,822 HKD
$45,860 USD
View
B
Retailer 10
-
HK$374,220 HKD
$47,695 USD
View
Retailer 11
-
HK$388,609 HKD
$49,529 USD
View
Price last confirmed 24 days ago
B
Retailer 12
-
HK$399,751 HKD
£40,117 GBP
View
B
Retailer 13
-
HK$402,877 HKD
$51,347 USD
View
B
Retailer 14
-
HK$409,655 HKD
€49,725 EUR
View
Most Expensive
B
MOH London
AE2A7110A · Oct 29
HK$542,370 HKD
£54,430 GBP
View
14 more retailers have this diamond
Prices start from HK$300,325 HKDSave up to HK$242,045 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$300,325 HKD