Marquise|Lab Grown|IGI

1.28ct G VS1 Marquise Lab Grown Diamond

GD • G/VS1 • IGI LG851604790

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851604790

Diamond specifications and retailer prices

From $207 USD
As of November 2, 2026
Save $1,008 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,215 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG851604790 or 851604790. Listed at 20 retailers as of November 1, 2026, with prices from $207 to $1,215, a $1,008 spread on the same certified stone. Reve Diamonds lists it at $1,215. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851604790
Dimensions11.09 × 5.71 × 3.54 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.71 mm1.28 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851604790
Side View
Table 61.0%Crown 35.3°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $472 USD|Low: $207 USD|High: $1,215 USD|Avg: $560 USD|+3.4%
Retailer 1
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Retailer 19
Reve Diamonds
November 3, 2026
Retailer 18$207 USD
Retailer 7$231 USD
Retailer 17$240 USD
Retailer 6$256 USD
Retailer 8$282 USD
Retailer 12$314 USD
Retailer 10$417 USD
Retailer 5$442 USD
Retailer 13$442 USD
Retailer 1$472 USD
Retailer 3$487 USD
Retailer 2$503 USD
Retailer 19$627 USD
Retailer 15$627 USD
Retailer 16$685 USD
Retailer 9$824 USD
Retailer 11$831 USD
Retailer 4$877 USD
Retailer 14$1,027 USD
Reve Diamonds$1,215 USD

10 data points across 20 retailers

20 retailers$207 USD to $1,215 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$240 USD
View
A
Retailer 4
-
$256 USD
View
A
Retailer 5
-
$282 USD
HK$2,200 HKD
View
A
Retailer 6
-
$314 USD
£247 GBP
View
Retailer 7
-
$417 USD
€397 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$442 USD
View
B+
Retailer 9
-
$442 USD
ZAR 7,148 ZAR
View
B+
Retailer 10
-
$472 USD
£372 GBP
View
B+
Retailer 11
-
$487 USD
View
B+
Retailer 12
-
$503 USD
View
Retailer 13
-
$627 USD
A$964 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$627 USD
View
B
Retailer 15
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$685 USD
View
B
Retailer 16
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$824 USD
View
B
Retailer 17
-
$831 USD
SGD 1,123 SGD
View
B
Retailer 18
-
$877 USD
View
B
Retailer 19
-
$1,027 USD
£809 GBP
View
Most Expensive
C
Reve Diamonds
DC53B7734 · Nov 1
$1,215 USD
View
19 more retailers have this diamond
Prices start from $207 USDSave up to $1,008 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
1.28ct Marquise
$207 USD