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Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG799676684

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676684

Diamond specifications and retailer prices

From $266 USD
As of October 30, 2026
Save $1,364 USD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,630 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799676684 or 799676684. Listed at 23 retailers as of October 28, 2026, with prices from $266 to $1,630, a $1,364 spread on the same certified stone. Brilliant Earth lists it at $1,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676684
Dimensions11.17 × 5.66 × 3.55 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.17 mm5.66 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676684
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,630 USD|Low: $297 USD|High: $1,650 USD|Avg: $830 USD|-1.2%
Brilliant Earth
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 6$297 USD
Retailer 13$490 USD
Retailer 14$541 USD
Retailer 7$548 USD
Retailer 12$566 USD
Retailer 5$582 USD
Retailer 2$631 USD
Retailer 11$801 USD
Retailer 15$915 USD
Retailer 17$1,012 USD
Retailer 9$1,058 USD
Retailer 16$1,059 USD
Retailer 4$1,110 USD
Retailer 3$1,280 USD
Retailer 10$1,327 USD
Retailer 8$1,403 USD
Brilliant Earth$1,630 USD

40 data points across 17 retailers

23 retailers$266 USD to $1,630 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$308 USD
View
A
Retailer 4
-
$329 USD
View
A
Retailer 5
-
$329 USD
View
A
Retailer 6
-
$371 USD
HK$2,900 HKD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$541 USD
€515 EUR
View
A
Retailer 9
-
$548 USD
View
A
Retailer 10
-
$566 USD
ZAR 9,145 ZAR
View
A
Retailer 11
-
$582 USD
View
B+
Retailer 12
-
$631 USD
£497 GBP
View
B+
Retailer 13
-
$635 USD
View
B+
Retailer 14
-
$801 USD
A$1,233 AUD
View
B+
Retailer 15
-
$915 USD
View
B
Retailer 16
-
$1,012 USD
View
B
Retailer 17
-
$1,058 USD
SGD 1,430 SGD
View
B
Retailer 18
-
$1,059 USD
View
B
Retailer 19
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$1,110 USD
View
B
Retailer 20
-
$1,280 USD
£1,008 GBP
View
B
Retailer 21
-
$1,327 USD
£1,045 GBP
View
B
Retailer 22
-
$1,403 USD
View
Most Expensive
B
Brilliant Earth
19798980A · Oct 28
$1,630 USD
View
22 more retailers have this diamond
Prices start from $266 USDSave up to $1,364 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
$266 USD