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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1553999146

Certificate GIA 1553999146

Diamond specifications and retailer prices

From $2,980 NZD
SGD 2,270 SGD
As of October 31, 2026
Save $2,819 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,799 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553999146. Listed at 12 retailers as of October 26, 2026, with prices from $2,980 to $5,799, a $2,819 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,799. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.84°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 1553999146
Dimensions8.27 × 5.95 × 3.70 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.27 mm5.95 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553999146
Side View
Table 59.0%Crown 39.84°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 62.2%

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: Oct 31
Current: $3,894 NZD|Low: $2,980 NZD|High: $6,207 NZD|Avg: $4,329 NZD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 1, 2026
Retailer 9$2,980 NZD
Retailer 7$3,497 NZD
Retailer 6$3,527 NZD
Retailer 3$3,605 NZD
Retailer 2$3,842 NZD
Retailer 1$3,894 NZD
Retailer 10$4,194 NZD
Retailer 4$4,423 NZD
Retailer 11$4,477 NZD
Retailer 5$4,956 NZD
Retailer 8$5,376 NZD
Wholesale Diamonds Direct$5,799 NZD

32 data points across 12 retailers

12 retailers$2,980 NZD to $5,799 NZD

A
Cheapest Retailer
-
$2,980 NZD
SGD 2,270 SGD
A
Retailer 2
-
$3,497 NZD
$1,971 USD
View
A
Retailer 3
-
$3,527 NZD
$1,988 USD
View
B+
Retailer 4
-
$3,605 NZD
$2,032 USD
View
B+
Retailer 5
-
$3,842 NZD
SGD 2,926 SGD
View
B+
Retailer 6
-
$3,894 NZD
£1,728 GBP
View
B+
Retailer 7
-
$4,194 NZD
$2,364 USD
View
B+
Retailer 8
-
$4,423 NZD
$2,493 USD
View
B+
Retailer 9
-
$4,477 NZD
$2,523 USD
View
B+
Retailer 10
-
$4,956 NZD
€2,660 EUR
View
B
Retailer 11
-
$5,376 NZD
$3,030 USD
View
Most Expensive
B
Wholesale Diamonds Direct
271990025 · Oct 26
$5,799 NZD
$3,268 USD
View
11 more retailers have this diamond
Prices start from $2,980 NZDSave up to $2,819 NZD

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
$2,980 NZD