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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 $340 SGD
$266 USD
As of October 30, 2026
Save $1,731 SGD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,071 SGD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $340 to $2,071, a $1,731 spread on the same certified stone. Brilliant Earth lists it at $2,071. 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
Colour
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: $2,071 SGD|Low: $331 SGD|High: $2,109 SGD|Avg: $953 SGD|-1.8%
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
Retailer 18
Retailer 19
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Retailer 21
October 31, 2026
Retailer 14$340 SGD
Retailer 9$380 SGD
Retailer 5$394 SGD
Retailer 4$421 SGD
Retailer 21$421 SGD
Retailer 17$626 SGD
Retailer 18$691 SGD
Retailer 10$701 SGD
Retailer 16$724 SGD
Retailer 8$744 SGD
Retailer 2$807 SGD
Retailer 15$1,025 SGD
Retailer 19$1,170 SGD
Retailer 3$1,294 SGD
Retailer 12$1,353 SGD
Retailer 20$1,354 SGD
Retailer 7$1,419 SGD
Retailer 6$1,637 SGD
Retailer 13$1,697 SGD
Retailer 11$1,794 SGD
Brilliant Earth$2,071 SGD

37 data points across 21 retailers

23 retailers$340 SGD to $2,071 SGD

A
Cheapest Retailer
-
$340 SGD
$266 USD
A
Retailer 2
-
$380 SGD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$394 SGD
$308 USD
View
A
Retailer 4
-
$421 SGD
$329 USD
View
A
Retailer 5
-
$421 SGD
$329 USD
View
A
Retailer 6
-
$475 SGD
HK$2,900 HKD
View
A
Retailer 7
-
$626 SGD
$490 USD
View
A
Retailer 8
-
$691 SGD
€515 EUR
View
A
Retailer 9
-
$701 SGD
$548 USD
View
A
Retailer 10
-
$724 SGD
ZAR 9,145 ZAR
View
A
Retailer 11
-
$744 SGD
$582 USD
View
B+
Retailer 12
-
$807 SGD
£497 GBP
View
B+
Retailer 13
-
$812 SGD
$635 USD
View
B+
Retailer 14
-
$1,025 SGD
A$1,233 AUD
View
B+
Retailer 15
-
$1,170 SGD
$915 USD
View
B
Retailer 16
-
$1,294 SGD
$1,012 USD
View
B
Retailer 17
-
$1,353 SGD
View
B
Retailer 18
-
$1,354 SGD
$1,059 USD
View
B
Retailer 19
-
$1,419 SGD
$1,110 USD
View
B
Retailer 20
-
$1,637 SGD
£1,008 GBP
View
B
Retailer 21
-
$1,697 SGD
£1,045 GBP
View
B
Retailer 22
-
$1,794 SGD
$1,403 USD
View
Most Expensive
B
Brilliant Earth
19798980A · Oct 30
$2,071 SGD
$1,620 USD
View
22 more retailers have this diamond
Prices start from $340 SGDSave up to $1,731 SGD

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
$340 SGD