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Round|Natural|IGI

1.23ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 837656136

Certificate IGI 837656136

Diamond specifications and retailer prices

From $2,329 SGD
As of November 6, 2026
Save $3,667 SGD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,995 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 837656136. Listed at 12 retailers as of November 5, 2026, with prices from $2,329 to $5,995, a $3,667 spread on the same certified stone. NZ Jewellers lists it at $5,995. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 837656136
Dimensions6.80 × 6.85 × 4.28 mm
L/W Ratio1.01
Top View
6.80 mm6.85 mm1.23 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 837656136
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCuletDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,995 SGD|Low: $2,329 SGD|High: $5,995 SGD|Avg: $3,271 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,329 SGD
Retailer 3$2,621 SGD
Retailer 5$2,668 SGD
Retailer 9$2,867 SGD
Retailer 10$2,877 SGD
Retailer 12$3,000 SGD
Retailer 6$3,045 SGD
Retailer 4$3,309 SGD
Retailer 8$3,499 SGD
Retailer 7$3,641 SGD
Retailer 11$5,010 SGD
NZ Jewellers$5,995 SGD

7 data points across 12 retailers

12 retailers$2,329 SGD to $5,995 SGD

A
Cheapest Retailer
-
$2,329 SGD
A
Retailer 2
-
$2,621 SGD
View
A
Retailer 3
-
$2,668 SGD
View
A
Retailer 4
-
$2,867 SGD
View
A
Retailer 5
-
$2,877 SGD
View
B+
Retailer 6
-
$3,000 SGD
View
B+
Retailer 7
-
$3,045 SGD
View
B+
Retailer 8
-
$3,309 SGD
View
B+
Retailer 9
-
$3,499 SGD
View
B+
Retailer 10
-
$3,641 SGD
View
B
Retailer 11
-
$5,010 SGD
View
Most Expensive
B
NZ Jewellers
5af47527-02cb-4401-b143-5886d9ae5b64 · Nov 5
$5,995 SGD
$4,678 USD
View
11 more retailers have this diamond
Prices start from $2,329 SGDSave up to $3,667 SGD

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
1.23ct Round
$2,329 SGD