Marquise|Lab Grown|GCAL

1.30ct E IF Marquise Lab Grown Diamond

EX • E/IF • GCAL 360866273

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 360866273

Diamond specifications and retailer prices

From $811 USD
As of November 2, 2026
Save $4,554 USD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,470 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 360866273. Listed at 8 retailers as of October 31, 2026, with a 562% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360866273
Dimensions10.65 × 5.86 × 3.62 mm
L/W Ratio1.82
Culet sizeNone
Top View
10.65 mm5.86 mm1.30 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360866273
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.8%

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: Nov 2
Current: $6,470 USD|Low: $811 USD|High: $6,470 USD|Avg: $3,124 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$811 USD
Retailer 7$1,277 USD
Retailer 4$1,637 USD
Retailer 9$2,157 USD
Retailer 6$2,503 USD
Retailer 8$2,894 USD
Retailer 2$4,859 USD
Retailer 3$5,365 USD
Do Amore Diamonds$6,470 USD

20 data points across 9 retailers

8 retailers$811 USD to $5,365 USD

A
Cheapest Retailer
-
$811 USD
B+
Retailer 2
-
$1,277 USD
View
B+
Retailer 3
-
$1,637 USD
A$2,518 AUD
View
B
Retailer 4
-
$2,503 USD
CA$3,476 CAD
View
B
Retailer 5
-
$2,894 USD
View
B
Retailer 6
-
$4,859 USD
£3,826 GBP
View
B
Retailer 7
-
$5,365 USD
View
Most Expensive
Do Amore Diamonds
32-360866273 · Nov 2
$6,470 USD
View
Price under review
7 more retailers have this diamond
Prices start from $811 USDSave up to $4,554 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
1.30ct Marquise
$811 USD