Round|Natural|GIA

0.91ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2557307729

Certificate GIA 2557307729

Diamond specifications and retailer prices

From $1,925 USD
SGD 2,602 SGD
Save $1,656 USD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,581 USD at Helzberg Diamonds
View at Helzberg Diamonds

About this 0.91ct natural round diamond

This 0.91ct natural round sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557307729. Listed at 16 retailers, with prices from $1,925 to $3,581 at Helzberg Diamonds, a $1,656 spread on the same certified stone. 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

0.91
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557307729
Dimensions6.12 × 6.17 × 3.86 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.12 mm6.17 mm0.91 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557307729
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $3,581 USD|Low: $1,940 USD|High: $3,581 USD|Avg: $2,496 USD
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
October 1, 2026
Retailer 14$1,940 USD
Retailer 12$1,961 USD
Retailer 4$1,981 USD
Retailer 13$1,998 USD
Retailer 8$2,144 USD
Retailer 5$2,175 USD
Retailer 2$2,506 USD
Retailer 9$2,534 USD
Retailer 10$2,546 USD
Retailer 7$2,765 USD
Retailer 11$2,985 USD
Retailer 6$3,198 USD
Retailer 3$3,246 USD
Helzberg Diamonds$3,581 USD

42 data points across 14 retailers

16 retailers$1,925 USD to $3,581 USD

A
Cheapest Retailer
-
$1,925 USD
SGD 2,602 SGD
A
Retailer 2
-
$1,940 USD
View
B+
Retailer 3
-
$1,961 USD
View
B+
Retailer 4
-
$1,981 USD
View
B+
Retailer 5
-
$1,998 USD
View
B+
Retailer 6
-
$2,149 USD
£1,692 GBP
View
B+
Retailer 7
-
$2,175 USD
SGD 2,939 SGD
View
B+
Retailer 8
-
$2,506 USD
View
B+
Retailer 9
-
$2,534 USD
View
B+
Retailer 10
-
$2,542 USD
View
B+
Retailer 11
-
$2,546 USD
£2,005 GBP
View
B+
Retailer 12
-
$2,765 USD
€2,633 EUR
View
B
Retailer 13
-
$3,046 USD
View
B
Retailer 14
-
$3,198 USD
ZAR 51,669 ZAR
View
Price last confirmed 54 days ago
B
Retailer 15
-
$3,246 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILLNJGNNIP · Oct 1
$3,581 USD
View
15 more retailers have this diamond
Prices start from $1,925 USDSave up to $1,656 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.

A
0.91ct Round
$1,925 USD