Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1529883125

Certificate GIA 1529883125

Diamond specifications and retailer prices

From $54,491 AUD
$38,277 USD
As of October 31, 2026
Save $43,917 AUD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $98,408 AUD 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 $54,491 to $98,408, a $43,917 spread on the same certified stone. MOH London lists it at $98,408. 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: Oct 31
Current: $98,408 AUD|Low: $54,491 AUD|High: $99,064 AUD|Avg: $67,158 AUD|-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
Retailer 14
November 1, 2026
Retailer 5$54,491 AUD
Retailer 2$57,264 AUD
Retailer 4$57,365 AUD
Retailer 9$62,624 AUD
Retailer 6$62,675 AUD
Retailer 8$63,621 AUD
Retailer 10$65,286 AUD
Retailer 13$65,286 AUD
Retailer 12$67,899 AUD
Retailer 14$70,509 AUD
Retailer 11$72,531 AUD
Retailer 3$73,098 AUD
Retailer 7$74,098 AUD
MOH London$98,408 AUD

45 data points across 14 retailers

15 retailers$54,491 AUD to $98,408 AUD

B+
Cheapest Retailer
-
$54,491 AUD
$38,277 USD
B+
Retailer 2
-
$57,264 AUD
₹3,830,929 INR
View
B+
Retailer 3
-
$57,365 AUD
$40,296 USD
View
B+
Retailer 4
-
$59,331 AUD
$41,677 USD
View
B
Retailer 5
-
$62,624 AUD
$43,990 USD
View
Retailer 6
-
$62,624 AUD
$43,990 USD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$63,621 AUD
£35,189 GBP
View
Retailer 8
-
$65,286 AUD
$45,860 USD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
$65,286 AUD
$45,860 USD
View
B
Retailer 10
-
$67,899 AUD
$47,695 USD
View
Retailer 11
-
$70,509 AUD
$49,529 USD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$72,531 AUD
£40,117 GBP
View
B
Retailer 13
-
$73,098 AUD
$51,347 USD
View
B
Retailer 14
-
$74,098 AUD
€49,571 EUR
View
Most Expensive
B
MOH London
AE2A7110A · Oct 29
$98,408 AUD
£54,430 GBP
View
14 more retailers have this diamond
Prices start from $54,491 AUDSave up to $43,917 AUD

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
$54,491 AUD