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Marquise|Lab Grown|IGI

1.28ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG836612347

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836612347

Diamond specifications and retailer prices

From $230 USD
As of November 1, 2026
Save $1,740 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,970 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836612347 or 836612347. Listed at 10 retailers as of November 1, 2026, with prices from $230 to $1,970, a $1,740 spread on the same certified stone. Do Amore Diamonds lists it at $1,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612347
Dimensions10.97 × 5.80 × 3.47 mm
L/W Ratio1.89
Girdle conditionFaceted
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
10.97 mm5.80 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612347
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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: Nov 1
Current: $1,970 USD|Low: $230 USD|High: $1,970 USD|Avg: $754 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$230 USD
Retailer 8$307 USD
Retailer 10$346 USD
Retailer 6$456 USD
Retailer 2$688 USD
Retailer 4$740 USD
Retailer 3$748 USD
Retailer 7$990 USD
Retailer 5$1,128 USD
Do Amore Diamonds$1,970 USD

11 data points across 10 retailers

10 retailers$230 USD to $1,970 USD

A
Cheapest Retailer
-
$230 USD
Final sale: no returns
A
Retailer 2
-
$307 USD
View
B+
Retailer 3
-
$346 USD
View
Retailer 4
-
$456 USD
€434 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$688 USD
A$1,059 AUD
View
B+
Retailer 6
-
$740 USD
View
B+
Retailer 7
-
$748 USD
View
B
Retailer 8
-
$990 USD
View
B
Retailer 9
-
$1,128 USD
£888 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4C090F3B8 · Nov 2
$1,970 USD
View
9 more retailers have this diamond
Prices start from $230 USDSave up to $1,740 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
$230 USD