Oval|Lab Grown|IGI

1.28ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG839624725

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839624725

Diamond specifications and retailer prices

From $392 USD
As of October 30, 2026
Save $1,448 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,840 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839624725 or 839624725. Listed at 10 retailers as of October 29, 2026, with prices from $392 to $1,840, a $1,448 spread on the same certified stone. Do Amore Diamonds lists it at $1,840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839624725
Dimensions8.93 × 6.14 × 3.79 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.93 mm6.14 mm1.28 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839624725
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,840 USD|Low: $334 USD|High: $1,840 USD|Avg: $863 USD|+19.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$392 USD
Retailer 8$397 USD
Retailer 2$405 USD
Retailer 5$554 USD
Retailer 7$615 USD
Retailer 4$785 USD
Retailer 6$942 USD
Retailer 9$1,205 USD
Retailer 3$1,298 USD
Do Amore Diamonds$1,840 USD

14 data points across 10 retailers

10 retailers$392 USD to $1,840 USD

A
Cheapest Retailer
-
$392 USD
A
Retailer 2
-
$397 USD
View
A
Retailer 3
-
$405 USD
£319 GBP
View
B+
Retailer 4
-
$554 USD
ZAR 8,945 ZAR
View
B+
Retailer 5
-
$615 USD
View
B+
Retailer 6
-
$785 USD
A$1,207 AUD
View
B
Retailer 7
-
$942 USD
View
B
Retailer 8
-
$1,205 USD
View
B
Retailer 9
-
$1,298 USD
£1,022 GBP
View
Most Expensive
B
Do Amore Diamonds
36-2016167 · Oct 29
$1,840 USD
View
9 more retailers have this diamond
Prices start from $392 USDSave up to $1,448 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
$392 USD