Marquise|Lab Grown|GCAL

0.43ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • GCAL 311060056

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 311060056

Diamond specifications and retailer prices

From $139 USD
As of October 30, 2026
Save $755 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $894 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.43ct lab-grown marquise diamond

This 0.43ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 311060056. Listed at 12 retailers as of October 29, 2026, with prices from $139 to $894, a $755 spread on the same certified stone. MOH London lists it at $894. 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

0.43
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.1°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311060056
Dimensions7.36 × 4.17 × 2.43 mm
L/W Ratio1.76
Culet sizeNone
Top View
7.36 mm4.17 mm0.43 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311060056
Side View
Table 60.0%Crown 33°Girdle: THN-THKPavilion 40.1°Culet: NoneDepth 58.3%

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: $894 USD|Low: $136 USD|High: $918 USD|Avg: $383 USD|-1.7%
MOH London
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
Retailer 15
October 30, 2026
Retailer 13$139 USD
Retailer 5$157 USD
Retailer 12$161 USD
Retailer 3$165 USD
Retailer 8$172 USD
Retailer 7$188 USD
Retailer 6$250 USD
Retailer 4$290 USD
Retailer 9$380 USD
Retailer 11$380 USD
Retailer 15$433 USD
Retailer 2$580 USD
Retailer 10$612 USD
Retailer 14$786 USD
MOH London$894 USD

23 data points across 15 retailers

12 retailers$139 USD to $894 USD

A
Cheapest Retailer
-
$139 USD
A
Retailer 2
-
$157 USD
View
A
Retailer 3
-
$161 USD
View
A
Retailer 4
-
$165 USD
View
A
Retailer 5
-
$172 USD
View
B+
Retailer 6
-
$290 USD
CA$403 CAD
View
B+
Retailer 7
-
$380 USD
View
B+
Retailer 8
-
$380 USD
View
B
Retailer 9
-
$580 USD
View
B
Retailer 10
-
$612 USD
View
B
Retailer 11
-
$786 USD
View
Most Expensive
B
MOH London
311060056 · Oct 29
$894 USD
£704 GBP
View
11 more retailers have this diamond
Prices start from $139 USDSave up to $755 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
0.43ct Marquise
$139 USD