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 HK$2,040 HKD
As of November 4, 2026
Save HK$8,144 HKD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$17,138 HKD 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 24 retailers as of November 4, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
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: Nov 4
Current: HK$4,229 HKD|Low: HK$2,040 HKD|High: HK$9,180 HKD|Avg: HK$5,236 HKD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8HK$2,040 HKD
Retailer 11HK$3,060 HKD
Retailer 7HK$3,711 HKD
Retailer 6HK$3,907 HKD
Retailer 2HK$4,166 HKD
Retailer 1HK$4,229 HKD
Retailer 9HK$5,523 HKD
Retailer 4HK$7,304 HKD
Retailer 10HK$7,807 HKD
Retailer 3HK$8,842 HKD
Retailer 5HK$9,070 HKD

40 data points across 11 retailers

24 retailersHK$2,040 HKD to HK$10,184 HKD

Retailer 1
-
HK$1,828 HKD
Price last confirmed 26 days ago
A
Retailer 2
-
HK$2,040 HKD
View
Final sale: no returns
Retailer 3
-
HK$2,118 HKD
View
Price last confirmed 23 days ago
Retailer 4
-
HK$2,267 HKD
View
Price last confirmed 24 days ago
Retailer 5
-
HK$2,267 HKD
View
Price last confirmed 34 days ago
A
Retailer 6
-
HK$2,511 HKD
View
A
Retailer 7
-
HK$3,060 HKD
View
A
Retailer 8
-
HK$3,711 HKD
View
A
Retailer 9
-
HK$3,907 HKD
View
A
Retailer 10
-
HK$4,166 HKD
View
A
Retailer 11
-
HK$4,229 HKD
View
B+
Retailer 12
-
HK$5,100 HKD
View
Retailer 13
-
HK$5,523 HKD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
HK$6,026 HKD
View
Retailer 15
-
HK$7,281 HKD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
HK$7,304 HKD
View
B
Retailer 17
-
HK$7,344 HKD
View
B
Retailer 18
-
HK$7,689 HKD
View
Retailer 19
-
HK$7,807 HKD
View
Price last confirmed 15 days ago
B
Retailer 20
-
HK$7,854 HKD
View
Retailer 21
-
HK$8,842 HKD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
HK$9,070 HKD
View
B
Retailer 23
-
HK$10,184 HKD
View
Most Expensive
Queensmith
LG720540402 · Oct 27
HK$17,138 HKD
£1,720 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from HK$2,040 HKDSave up to HK$8,144 HKD

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
HK$2,040 HKD