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Round|Natural|GIA

1.31ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2191483494

Certificate GIA 2191483494

Diamond specifications and retailer prices

From $5,579 NZD
As of November 4, 2026
Save $3,211 NZD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,790 NZD at Cape Diamonds · As of November 5, 2026
View at Cape 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2191483494. Listed at 6 retailers as of November 4, 2026, with prices from $5,579 to $8,790, a $3,211 spread on the same certified stone. Cape Diamonds lists it at $8,790. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2191483494
Dimensions7.01 × 6.95 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.01 mm6.95 mm1.31 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2191483494
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,790 NZD|Low: $5,500 NZD|High: $8,851 NZD|Avg: $7,386 NZD|+2.6%
Cape Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$5,579 NZD
Retailer 2$7,893 NZD
Cape Diamonds$8,790 NZD

26 data points across 3 retailers

6 retailers$5,579 NZD to $8,790 NZD

B
Cheapest Retailer
-
$5,579 NZD
B
Retailer 2
-
$5,792 NZD
View
B
Retailer 3
-
$6,262 NZD
View
B
Retailer 4
-
$7,096 NZD
View
B
Retailer 5
-
$7,893 NZD
View
Most Expensive
B
Cape Diamonds
cert_2191483494 · Nov 5
$8,790 NZD
ZAR 79,822 ZAR
View
5 more retailers have this diamond
Prices start from $5,579 NZDSave up to $3,211 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 Round
$5,579 NZD