Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1567685300

Certificate GIA 1567685300

Diamond specifications and retailer prices

From $4,161 USD
SGD 5,623 SGD
As of October 31, 2026
Save $4,153 USD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,314 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567685300. Listed at 7 retailers as of October 30, 2026, with prices from $4,161 to $8,314, a $4,153 spread on the same certified stone. NZ Jewellers lists it at $8,314. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1567685300
Dimensions6.99 × 6.95 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.99 mm6.95 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567685300
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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 31
Current: $8,314 USD|Low: $4,161 USD|High: $8,412 USD|Avg: $5,876 USD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$4,161 USD
Retailer 4$4,415 USD
Retailer 2$4,772 USD
Retailer 7$4,829 USD
Retailer 5$5,375 USD
Retailer 6$7,732 USD
NZ Jewellers$8,314 USD

6 data points across 7 retailers

7 retailers$4,161 USD to $8,314 USD

A
Cheapest Retailer
-
$4,161 USD
SGD 5,623 SGD
A
Retailer 2
-
$4,415 USD
£3,476 GBP
View
B+
Retailer 3
-
$4,772 USD
View
B+
Retailer 4
-
$4,829 USD
View
B+
Retailer 5
-
$5,375 USD
€5,119 EUR
View
B
Retailer 6
-
$7,732 USD
£6,088 GBP
View
Most Expensive
B
NZ Jewellers
c994ccfa-eec7-4d6c-9269-add0685f0df7 · Oct 30
$8,314 USD
View
6 more retailers have this diamond
Prices start from $4,161 USDSave up to $4,153 USD

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
$4,161 USD