Marquise|Natural|GIA

0.80ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7568551102

Certificate GIA 7568551102

Diamond specifications and retailer prices

From $1,294 USD
As of October 21, 2026
7 retailers carry this diamond
Most expensive: $2,319 USD at Helzberg Diamonds · As of October 21, 2026
View at Helzberg Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568551102. Listed at 7 retailers as of October 21, 2026. 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

0.80
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.83°
Pavilion angle41.12°
OriginNatural
Grading LabGIA
CertificateGIA 7568551102
Dimensions9.58 × 4.76 × 2.97 mm
L/W Ratio2.01
Culet sizeNone
Top View
9.58 mm4.76 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7568551102
Side View
Table 58.0%Crown 35.83°Girdle: THK-VTKPavilion 41.12°Culet: NoneDepth 62.4%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: $2,319 USD|Low: $1,294 USD|High: $2,319 USD|Avg: $1,556 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
October 23, 2026
Retailer 5$1,294 USD
Retailer 9$1,310 USD
Retailer 12$1,316 USD
Retailer 4$1,366 USD
Retailer 6$1,391 USD
Retailer 13$1,408 USD
Retailer 3$1,576 USD
Retailer 7$1,623 USD
Retailer 10$1,799 USD
Retailer 2$1,852 USD
Retailer 8$1,972 USD
Retailer 11$2,091 USD
Helzberg Diamonds$2,319 USD

14 data points across 13 retailers

7 retailers$1,294 USD to $2,319 USD

Retailer 1
-
$1,294 USD
Price last confirmed 12 days ago
Retailer 2
-
$1,310 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$1,316 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$1,391 USD
£1,096 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
$1,408 USD
SGD 1,903 SGD
View
Price last confirmed 12 days ago
Retailer 6
-
$2,091 USD
View
Price last confirmed 11 days ago
Most Expensive
Helzberg Diamonds
XZRNLMOLLHHGI · Oct 21
$2,319 USD
View
Price last confirmed 12 days ago
6 more retailers have this diamond

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.

0.80ct Marquise
$1,294 USD