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Oval|Lab Grown|IGI

1.28ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG720540403

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720540403

Diamond specifications and retailer prices

From $204 USD
As of October 26, 2026
Save $985 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,189 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720540403 or 720540403. Listed at 20 retailers as of October 26, 2026, with prices from $204 to $1,189, a $985 spread on the same certified stone. MOH London lists it at $1,189. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540403
Dimensions8.81 × 6.12 × 3.81 mm
L/W Ratio1.44
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
8.81 mm6.12 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540403
Side View
Table 62.0%Crown 35.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 26
Current: $1,189 USD|Low: $196 USD|High: $1,196 USD|Avg: $488 USD|+0.5%
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 29, 2026
Retailer 12$204 USD
Retailer 6$228 USD
Retailer 4$236 USD
Retailer 7$253 USD
Retailer 15$253 USD
Retailer 13$340 USD
Retailer 8$434 USD
Retailer 10$461 USD
Retailer 2$463 USD
Retailer 5$500 USD
Retailer 9$618 USD
Retailer 11$653 USD
Retailer 14$770 USD
Retailer 3$813 USD
MOH London$1,189 USD

39 data points across 15 retailers

20 retailers$204 USD to $1,189 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$236 USD
View
Retailer 3
-
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$253 USD
View
A
Retailer 5
-
$282 USD
HK$2,200 HKD
View
B+
Retailer 6
-
$340 USD
View
A
Retailer 7
-
$434 USD
ZAR 7,013 ZAR
View
Retailer 8
-
$461 USD
€439 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$463 USD
£365 GBP
View
A
Retailer 10
-
$484 USD
View
A
Retailer 11
-
$500 USD
View
B+
Retailer 12
-
$618 USD
A$951 AUD
View
B+
Retailer 13
-
$653 USD
View
Retailer 14
-
$754 USD
View
B
Retailer 15
-
$770 USD
View
B+
Retailer 16
-
$813 USD
View
B+
Retailer 17
-
$820 USD
SGD 1,108 SGD
View
B
Retailer 18
-
$860 USD
View
B
Retailer 19
-
$866 USD
View
Most Expensive
B
MOH London
LG720540403 · Oct 29
$1,189 USD
£936 GBP
View
19 more retailers have this diamond
Prices start from $204 USDSave up to $985 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 Oval
$204 USD