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1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1567314878

Certificate GIA 1567314878

Diamond specifications and retailer prices

From $9,144 SGD
$7,150 USD
As of November 2, 2026
Save $11,835 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,979 SGD at NZ Jewellers · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567314878. Listed at 19 retailers as of November 2, 2026, with prices from $9,144 to $20,979, a $11,835 spread on the same certified stone. NZ Jewellers lists it at $20,979. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1567314878
Dimensions7.33 × 7.37 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.33 mm7.37 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567314878
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $20,979 SGD|Low: $9,144 SGD|High: $20,979 SGD|Avg: $12,351 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 6$9,144 SGD
Retailer 8$9,184 SGD
Retailer 16$9,355 SGD
Retailer 9$9,731 SGD
Retailer 5$9,821 SGD
Retailer 3$10,436 SGD
Retailer 18$10,490 SGD
Retailer 4$11,363 SGD
Retailer 12$11,538 SGD
Retailer 17$11,538 SGD
Retailer 15$11,590 SGD
Retailer 11$12,554 SGD
Retailer 7$13,111 SGD
Retailer 2$13,316 SGD
Retailer 10$13,810 SGD
Retailer 14$15,410 SGD
Retailer 13$17,481 SGD
NZ Jewellers$20,979 SGD

26 data points across 18 retailers

19 retailers$9,144 SGD to $20,979 SGD

B+
Cheapest Retailer
-
$9,144 SGD
$7,150 USD
B+
Retailer 2
-
$9,184 SGD
HK$56,100 HKD
View
B+
Retailer 3
-
$9,355 SGD
$7,315 USD
View
B+
Retailer 4
-
$9,476 SGD
A$11,399 AUD
View
B+
Retailer 5
-
$9,731 SGD
$7,609 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,821 SGD
$7,679 USD
View
B+
Retailer 7
-
$10,436 SGD
$8,160 USD
View
B+
Retailer 8
-
$10,490 SGD
$8,202 USD
View
B+
Retailer 9
-
$11,363 SGD
$8,885 USD
View
B+
Retailer 10
-
$11,538 SGD
£7,104 GBP
View
B
Retailer 11
-
$11,538 SGD
$9,022 USD
View
Retailer 12
-
$11,590 SGD
A$13,943 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$12,554 SGD
€9,349 EUR
View
B
Retailer 14
-
$13,111 SGD
$10,252 USD
View
B+
Retailer 15
-
$13,316 SGD
£8,199 GBP
View
Retailer 16
-
$13,810 SGD
$10,798 USD
View
Price last confirmed 19 days ago
B
Retailer 17
-
$15,410 SGD
ZAR 194,655 ZAR
View
B
Retailer 18
-
$17,481 SGD
£10,763 GBP
View
Most Expensive
B
NZ Jewellers
a883de12-2672-4f63-9446-a9a4284d9292 · Nov 2
$20,979 SGD
$16,404 USD
View
18 more retailers have this diamond
Prices start from $9,144 SGDSave up to $11,835 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.

B+
1.51ct Round
$9,144 SGD