Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2554052294

Certificate GIA 2554052294

Diamond specifications and retailer prices

From $2,589 AUD
As of November 6, 2026
Save $3,379 AUD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,968 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554052294. Listed at 19 retailers as of November 4, 2026, with prices from $2,589 to $5,968, a $3,379 spread on the same certified stone. MOH London lists it at $5,968. 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554052294
Dimensions8.36 × 5.99 × 3.74 mm
L/W Ratio1.40
Top View
8.36 mm5.99 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554052294
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.4%

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 6
Current: $5,968 AUD|Low: $1,288 AUD|High: $6,168 AUD|Avg: $3,525 AUD|-3.2%
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 6, 2026
Retailer 4$1,288 AUD
Retailer 11$2,589 AUD
Retailer 2$2,698 AUD
Retailer 13$3,152 AUD
Retailer 5$3,256 AUD
Retailer 6$3,403 AUD
Retailer 3$3,448 AUD
Retailer 7$3,604 AUD
Retailer 12$3,618 AUD
Retailer 9$3,711 AUD
Retailer 10$3,828 AUD
Retailer 8$4,241 AUD
MOH London$5,968 AUD

25 data points across 13 retailers

19 retailers$2,589 AUD to $5,968 AUD

Retailer 1
-
$1,288 AUD
Price last confirmed 16 days ago
A
Retailer 2
-
$2,589 AUD
View
A
Retailer 3
-
$2,698 AUD
View
B+
Retailer 4
-
$3,152 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,256 AUD
View
B+
Retailer 6
-
$3,282 AUD
View
B+
Retailer 7
-
$3,394 AUD
View
B+
Retailer 8
-
$3,403 AUD
View
Retailer 9
-
$3,448 AUD
View
Price last confirmed 8 days ago
Retailer 10
-
$3,483 AUD
View
Price last confirmed 25 days ago
Retailer 11
-
$3,499 AUD
View
Price last confirmed 38 days ago
B
Retailer 12
-
$3,604 AUD
View
B+
Retailer 13
-
$3,618 AUD
View
Retailer 14
-
$3,660 AUD
View
Price last confirmed 38 days ago
B
Retailer 15
-
$3,711 AUD
View
B
Retailer 16
-
$3,828 AUD
View
Retailer 17
-
$4,037 AUD
View
Price last confirmed 38 days ago
B
Retailer 18
-
$4,241 AUD
View
Most Expensive
B
MOH London
2095932FC · Nov 4
$5,968 AUD
£3,229 GBP
View
18 more retailers have this diamond
Prices start from $2,589 AUDSave up to $3,379 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.

A
1.20ct Oval
$2,589 AUD