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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6565171682

Certificate GIA 6565171682

Diamond specifications and retailer prices

From $3,653 USD
SGD 4,936 SGD
As of October 29, 2026
Save $3,920 USD (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,572 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565171682. Listed at 7 retailers as of October 26, 2026, with prices from $3,653 to $7,572, a $3,920 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,572. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565171682
Dimensions7.30 × 4.58 × 4.58 mm
L/W Ratio1.59
Culet sizeNone
Top View
7.30 mm4.58 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565171682
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $5,423 USD|Low: $3,653 USD|High: $8,900 USD|Avg: $5,651 USD|-12.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
October 30, 2026
Retailer 4$3,653 USD
Retailer 3$4,393 USD
Retailer 6$4,529 USD
Retailer 5$5,235 USD
Retailer 2$5,378 USD
Retailer 1$5,423 USD
Wholesale Diamonds Direct$7,572 USD

36 data points across 7 retailers

7 retailers$3,653 USD to $7,572 USD

A
Cheapest Retailer
-
$3,653 USD
SGD 4,936 SGD
A
Retailer 2
-
$4,393 USD
View
A
Retailer 3
-
$4,529 USD
SGD 6,120 SGD
View
A
Retailer 4
-
$5,235 USD
View
A
Retailer 5
-
$5,378 USD
€5,122 EUR
View
A
Retailer 6
-
$5,423 USD
£4,270 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
378293572 · Oct 26
$7,572 USD
View
6 more retailers have this diamond
Prices start from $3,653 USDSave up to $3,920 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$3,653 USD