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Oval|Lab Grown|IGI

1.28ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG720540402

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720540402

Diamond specifications and retailer prices

From $260 USD
As of October 30, 2026
Save $1,924 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,184 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG720540402 or 720540402. Listed at 23 retailers as of October 27, 2026, with prices from $260 to $2,184, a $1,924 spread on the same certified stone. Queensmith lists it at $2,184. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540402
Dimensions8.67 × 6.07 × 3.85 mm
L/W Ratio1.43
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
8.67 mm6.07 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540402
Side View
Table 63.0%Crown 35.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

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: $545 USD|Low: $260 USD|High: $1,171 USD|Avg: $663 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$260 USD
Retailer 11$390 USD
Retailer 4$474 USD
Retailer 7$496 USD
Retailer 2$531 USD
Retailer 1$545 USD
Retailer 8$705 USD
Retailer 10$761 USD
Retailer 9$995 USD
Retailer 3$1,128 USD
Retailer 5$1,163 USD

39 data points across 11 retailers

23 retailers$260 USD to $2,184 USD

Retailer 1
-
$233 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$260 USD
View
Final sale: no returns
Retailer 3
-
$270 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$289 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$289 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$320 USD
HK$2,500 HKD
View
A
Retailer 7
-
$390 USD
View
A
Retailer 8
-
$474 USD
€451 EUR
View
A
Retailer 9
-
$496 USD
ZAR 8,013 ZAR
View
A
Retailer 10
-
$531 USD
View
A
Retailer 11
-
$545 USD
£429 GBP
View
B+
Retailer 12
-
$650 USD
View
B+
Retailer 13
-
$705 USD
A$1,084 AUD
View
B+
Retailer 14
-
$761 USD
View
Retailer 15
-
$928 USD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$936 USD
SGD 1,265 SGD
View
B
Retailer 17
-
$980 USD
View
Retailer 18
-
$995 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$1,001 USD
View
Retailer 20
-
$1,128 USD
£888 GBP
View
Price last confirmed 17 days ago
B+
Retailer 21
-
$1,163 USD
£916 GBP
View
B
Retailer 22
-
$1,298 USD
View
Most Expensive
B
Queensmith
LG720540402 · Oct 27
$2,184 USD
£1,720 GBP
View
22 more retailers have this diamond
Prices start from $260 USDSave up to $1,924 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
$260 USD