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Heart|Natural|GIA

1.31ct G SI2 Heart Natural Diamond

FR • G/SI2 • GIA 6531940851

Certificate GIA 6531940851

Diamond specifications and retailer prices

From $4,852 NZD
As of November 3, 2026
Save $4,423 NZD (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $10,538 NZD at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6531940851. Listed at 5 retailers as of November 3, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
G
Colour
SI2
Clarity
Fair
Cut (retailer stated)

Specifications

Cut (retailer stated)Fair
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531940851
Dimensions7.34 × 6.34 × 4.06 mm
L/W Ratio1.16
Top View
7.34 mm6.34 mm1.31 ctG / SI2
OriginNatural
CutFair
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531940851
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.0%

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 3
Current: $9,274 NZD|Low: $4,543 NZD|High: $10,529 NZD|Avg: $6,178 NZD|-8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 5$4,600 NZD
Retailer 2$4,852 NZD
Retailer 3$5,177 NZD
Retailer 9$5,379 NZD
Retailer 4$6,120 NZD
Retailer 8$6,143 NZD
Retailer 6$6,420 NZD
Retailer 7$6,447 NZD
Retailer 1$9,274 NZD

18 data points across 9 retailers

5 retailers$4,852 NZD to $9,274 NZD

B+
Cheapest Retailer
-
$4,852 NZD
B+
Retailer 2
-
$5,177 NZD
View
Retailer 3
-
$5,480 NZD
View
Price last confirmed 44 days ago
B
Retailer 4
-
$9,274 NZD
View
Most Expensive
NZ Jewellers
9d6dd1a0-4b55-4b47-9d7e-cd16334264a0 · Sep 20
$10,538 NZD
$5,940 USD
View
Price last confirmed 45 days ago
4 more retailers have this diamond
Prices start from $4,852 NZDSave up to $4,423 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.

B+
1.31ct Heart
$4,852 NZD