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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6381650117

Certificate GIA 6381650117

Diamond specifications and retailer prices

From $2,297 SGD
As of November 6, 2026
Save $4,119 SGD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,416 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct 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 6381650117. Listed at 20 retailers as of November 5, 2026, with prices from $2,297 to $6,416, a $4,119 spread on the same certified stone. NZ Jewellers lists it at $6,416. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6381650117
Dimensions7.55 × 5.49 × 3.55 mm
L/W Ratio1.38
Top View
7.55 mm5.49 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381650117
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.6%

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 6
Current: $3,810 SGD|Low: $2,125 SGD|High: $5,440 SGD|Avg: $3,241 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$2,297 SGD
Retailer 3$2,490 SGD
Retailer 10$2,511 SGD
Retailer 9$2,566 SGD
Retailer 8$2,576 SGD
Retailer 2$2,908 SGD
Retailer 4$3,246 SGD
Retailer 5$3,745 SGD
Retailer 11$3,777 SGD
Retailer 1$3,810 SGD
Retailer 7$5,405 SGD

45 data points across 11 retailers

20 retailers$2,297 SGD to $6,416 SGD

B+
Cheapest Retailer
-
$2,297 SGD
B+
Retailer 2
-
$2,490 SGD
View
B+
Retailer 3
-
$2,511 SGD
View
B+
Retailer 4
-
$2,566 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,576 SGD
View
B
Retailer 6
-
$2,705 SGD
View
B
Retailer 7
-
$2,780 SGD
View
Retailer 8
-
$2,780 SGD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,800 SGD
View
B+
Retailer 10
-
$2,908 SGD
View
B
Retailer 11
-
$3,208 SGD
View
B
Retailer 12
-
$3,217 SGD
View
B
Retailer 13
-
$3,217 SGD
View
B
Retailer 14
-
$3,246 SGD
View
B
Retailer 15
-
$3,319 SGD
View
B
Retailer 16
-
$3,745 SGD
View
Retailer 17
-
$3,777 SGD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$3,810 SGD
View
Retailer 19
-
$5,405 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
6dbc399b-6a58-4cd3-b752-a1f499bf20e2 · Nov 5
$6,416 SGD
$5,006 USD
View
19 more retailers have this diamond
Prices start from $2,297 SGDSave up to $4,119 SGD

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+
1.00ct Oval
$2,297 SGD