Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5553047733

Certificate GIA 5553047733

Diamond specifications and retailer prices

From $1,144 USD
As of October 30, 2026
Save $1,374 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,518 USD at MOH London · As of October 29, 2026
View at MOH London

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 5553047733. Listed at 13 retailers as of October 29, 2026, with prices from $1,144 to $2,518, a $1,374 spread on the same certified stone. MOH London lists it at $2,518. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553047733
Dimensions5.91 × 5.87 × 3.58 mm
L/W Ratio1.01
Star length50%
Key to symbols
Crystal, Cloud, Feather
Top View
5.91 mm5.87 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553047733
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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 30
Current: $2,518 USD|Low: $953 USD|High: $2,536 USD|Avg: $1,736 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$1,144 USD
Retailer 8$1,390 USD
Retailer 2$1,516 USD
Retailer 3$1,730 USD
Retailer 6$1,785 USD
Retailer 7$1,874 USD
Retailer 4$2,038 USD
MOH London$2,518 USD

44 data points across 8 retailers

13 retailers$1,144 USD to $2,518 USD

A
Cheapest Retailer
-
$1,144 USD
Final sale: no returns
A
Retailer 2
-
$1,187 USD
View
A
Retailer 3
-
$1,190 USD
View
B+
Retailer 4
-
$1,390 USD
View
B+
Retailer 5
-
$1,480 USD
View
B+
Retailer 6
-
$1,480 USD
View
B+
Retailer 7
-
$1,516 USD
£1,194 GBP
View
B+
Retailer 8
-
$1,530 USD
View
B+
Retailer 9
-
$1,730 USD
£1,362 GBP
View
Retailer 10
-
$1,785 USD
A$2,746 AUD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
$1,874 USD
View
B
Retailer 12
-
$2,038 USD
ZAR 32,920 ZAR
View
Most Expensive
B
MOH London
F2A1BE78D · Oct 29
$2,518 USD
£1,983 GBP
View
12 more retailers have this diamond
Prices start from $1,144 USDSave up to $1,374 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
0.77ct Round
$1,144 USD