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Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565524370

Certificate GIA 6565524370

Diamond specifications and retailer prices

From $1,570 SGD
$1,228 USD
As of October 31, 2026
Save $1,245 SGD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,815 SGD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565524370. Listed at 15 retailers as of October 31, 2026, with prices from $1,570 to $2,815, a $1,245 spread on the same certified stone. Helzberg Diamonds lists it at $2,815. 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

0.77
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565524370
Dimensions5.85 × 5.89 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.85 mm5.89 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565524370
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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 31
Current: $2,815 SGD|Low: $1,570 SGD|High: $2,815 SGD|Avg: $2,013 SGD
Helzberg Diamonds
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
November 1, 2026
Retailer 13$1,570 SGD
Retailer 9$1,592 SGD
Retailer 4$1,598 SGD
Retailer 12$1,662 SGD
Retailer 5$1,709 SGD
Retailer 8$1,773 SGD
Retailer 10$1,918 SGD
Retailer 2$1,970 SGD
Retailer 14$2,135 SGD
Retailer 6$2,212 SGD
Retailer 7$2,255 SGD
Retailer 11$2,393 SGD
Retailer 3$2,529 SGD
Helzberg Diamonds$2,815 SGD

15 data points across 14 retailers

15 retailers$1,570 SGD to $2,815 SGD

A
Cheapest Retailer
-
$1,570 SGD
$1,228 USD
A
Retailer 2
-
$1,592 SGD
$1,245 USD
View
A
Retailer 3
-
$1,598 SGD
$1,250 USD
View
A
Retailer 4
-
$1,662 SGD
$1,300 USD
View
A
Retailer 5
-
$1,679 SGD
View
B+
Retailer 6
-
$1,709 SGD
View
B+
Retailer 7
-
$1,773 SGD
£1,092 GBP
View
B+
Retailer 8
-
$1,918 SGD
$1,500 USD
View
B+
Retailer 9
-
$1,970 SGD
$1,541 USD
View
B+
Retailer 10
-
$2,135 SGD
£1,315 GBP
View
B
Retailer 11
-
$2,212 SGD
$1,731 USD
View
B+
Retailer 12
-
$2,255 SGD
€1,680 EUR
View
B+
Retailer 13
-
$2,393 SGD
$1,872 USD
View
B
Retailer 14
-
$2,529 SGD
$1,979 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLIKJNG · Nov 1
$2,815 SGD
$2,202 USD
View
14 more retailers have this diamond
Prices start from $1,570 SGDSave up to $1,245 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
0.77ct Round
$1,570 SGD