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Round|Natural|GIA

1.31ct J SI2 Round Natural Diamond

ID • J/SI2 • GIA 3435135667

Certificate GIA 3435135667

Diamond specifications and retailer prices

From $4,235 NZD
$2,387 USD
As of October 28, 2026
Save $2,929 NZD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,164 NZD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3435135667. Listed at 5 retailers as of October 28, 2026, with prices from $4,235 to $7,164, a $2,929 spread on the same certified stone. 77 Diamonds lists it at $7,164. 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

1.31
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3435135667
Dimensions7.00 × 6.97 × 4.32 mm
L/W Ratio1.00
Top View
7.00 mm6.97 mm1.31 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3435135667
Side View
Table 57.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.0%

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 28
Current: $7,164 NZD|Low: $4,235 NZD|High: $7,200 NZD|Avg: $5,107 NZD|+1.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$4,235 NZD
Retailer 5$4,677 NZD
Retailer 4$4,691 NZD
Retailer 2$4,789 NZD
77 Diamonds$7,164 NZD

33 data points across 5 retailers

5 retailers$4,235 NZD to $7,164 NZD

A
Cheapest Retailer
-
$4,235 NZD
$2,387 USD
B+
Retailer 2
-
$4,677 NZD
$2,636 USD
View
B+
Retailer 3
-
$4,691 NZD
$2,644 USD
View
B+
Retailer 4
-
$4,789 NZD
$2,699 USD
View
Most Expensive
B
77 Diamonds
RBZWPA7QTPB · Oct 30
$7,164 NZD
£3,179 GBP
View
4 more retailers have this diamond
Prices start from $4,235 NZDSave up to $2,929 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
1.31ct Round
$4,235 NZD