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1.31ct I VS1 Round Natural Diamond

EX • I/VS1 • HRD 250000243594

Certificate HRD 250000243594

Diamond specifications and retailer prices

From $2,570 USD
Save $2,723 USD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,293 USD at NZ Jewellers
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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by HRD 250000243594. Listed at 11 retailers, with prices from $2,570 to $5,293 at NZ Jewellers, a $2,723 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 250000243594
Dimensions6.96 × 6.91 × 4.32 mm
L/W Ratio1.01
Star length55%
Culet sizePointed
Top View
6.96 mm6.91 mm1.31 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateHRD 250000243594
Side View
Table 58.0%Crown 36.1°GirdlePavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $5,293 USD|Low: $2,570 USD|High: $5,424 USD|Avg: $3,581 USD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 30, 2026
Retailer 10$2,570 USD
Retailer 7$3,038 USD
Retailer 11$3,038 USD
Retailer 4$3,155 USD
Retailer 5$3,225 USD
Retailer 2$3,490 USD
Retailer 6$3,506 USD
Retailer 8$3,537 USD
Retailer 9$3,901 USD
Retailer 3$5,213 USD
NZ Jewellers$5,293 USD

35 data points across 11 retailers

11 retailers$2,570 USD to $5,293 USD

A
Cheapest Retailer
-
$2,570 USD
A
Retailer 2
-
$3,038 USD
View
A
Retailer 3
-
$3,038 USD
View
A
Retailer 4
-
$3,155 USD
View
A
Retailer 5
-
$3,223 USD
£2,538 GBP
View
A
Retailer 6
-
$3,490 USD
€3,324 EUR
View
A
Retailer 7
-
$3,506 USD
View
A
Retailer 8
-
$3,537 USD
£2,785 GBP
View
A
Retailer 9
-
$3,901 USD
£3,072 GBP
View
B+
Retailer 10
-
$5,213 USD
£4,105 GBP
View
Price last confirmed 12 days ago
Most Expensive
B+
NZ Jewellers
1b59e445-f219-4ab4-9ed8-c0be70697479 · Sep 26
$5,293 USD
View
10 more retailers have this diamond
Prices start from $2,570 USDSave up to $2,723 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.

A
1.31ct Round
$2,570 USD