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Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7541811764

Certificate GIA 7541811764

Diamond specifications and retailer prices

From $7,792 SGD
₹580,499 INR
As of November 1, 2026
Save $9,226 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,018 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541811764. Listed at 14 retailers as of October 30, 2026, with prices from $7,792 to $17,018, a $9,226 spread on the same certified stone. NZ Jewellers lists it at $17,018. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7541811764
Dimensions7.28 × 7.32 × 4.61 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.28 mm7.32 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541811764
Side View
Table 56.0%Crown 36°Girdle: ThinPavilion 41.2°Culet: NoneDepth 63.1%

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 1
Current: $17,018 SGD|Low: $7,774 SGD|High: $17,437 SGD|Avg: $10,561 SGD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 2$7,792 SGD
Retailer 4$8,224 SGD
Retailer 5$8,666 SGD
Retailer 13$8,795 SGD
Retailer 12$9,377 SGD
Retailer 8$9,529 SGD
Retailer 7$9,790 SGD
Retailer 11$9,812 SGD
Retailer 3$10,388 SGD
Retailer 10$10,654 SGD
Retailer 9$12,500 SGD
Retailer 6$14,180 SGD
NZ Jewellers$17,018 SGD

25 data points across 13 retailers

14 retailers$7,792 SGD to $17,018 SGD

A
Cheapest Retailer
-
$7,792 SGD
₹580,499 INR
A
Retailer 2
-
$8,007 SGD
A$9,636 AUD
View
A
Retailer 3
-
$8,224 SGD
$6,433 USD
View
Final sale: no returns
A
Retailer 4
-
$8,666 SGD
$6,779 USD
View
A
Retailer 5
-
$8,795 SGD
$6,880 USD
View
A
Retailer 6
-
$9,377 SGD
$7,335 USD
View
A
Retailer 7
-
$9,529 SGD
£5,869 GBP
View
A
Retailer 8
-
$9,790 SGD
£6,030 GBP
View
Retailer 9
-
$9,812 SGD
A$11,808 AUD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$10,388 SGD
$8,126 USD
View
B+
Retailer 11
-
$10,654 SGD
€7,937 EUR
View
B+
Retailer 12
-
$12,500 SGD
ZAR 157,963 ZAR
View
B+
Retailer 13
-
$14,180 SGD
£8,734 GBP
View
Most Expensive
B
NZ Jewellers
0b4a8bda-cb19-441c-9a07-5033c22d5226 · Oct 30
$17,018 SGD
$13,312 USD
View
13 more retailers have this diamond
Prices start from $7,792 SGDSave up to $9,226 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
1.51ct Round
$7,792 SGD