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Oval|Lab Grown|IGI

1.28ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG729590644

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG729590644

Diamond specifications and retailer prices

From $386 NZD
As of November 5, 2026
Save $3,741 NZD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,127 NZD at Yadav Diamonds · As of November 6, 2026
View at Yadav 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729590644 or 729590644. Listed at 27 retailers as of November 5, 2026, with prices from $386 to $4,127, a $3,741 spread on the same certified stone. Yadav Diamonds lists it at $4,127. 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 angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590644
Dimensions8.97 × 6.11 × 3.73 mm
L/W Ratio1.47
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
8.97 mm6.11 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590644
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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 5
Current: $841 NZD|Low: $370 NZD|High: $2,330 NZD|Avg: $1,163 NZD|+1.7%
Retailer 1
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
Retailer 16
November 6, 2026
Retailer 3$386 NZD
Retailer 8$430 NZD
Retailer 7$447 NZD
Retailer 4$479 NZD
Retailer 10$781 NZD
Retailer 1$841 NZD
Retailer 15$909 NZD
Retailer 11$986 NZD
Retailer 14$1,291 NZD
Retailer 2$1,542 NZD
Retailer 6$1,695 NZD
Retailer 5$1,710 NZD
Retailer 16$1,726 NZD
Retailer 13$1,729 NZD
Retailer 12$2,106 NZD
Retailer 9$2,222 NZD

45 data points across 16 retailers

27 retailers$386 NZD to $4,127 NZD

A
Cheapest Retailer
-
$386 NZD
A
Retailer 2
-
$430 NZD
View
Final sale: no returns
A
Retailer 3
-
$447 NZD
View
Retailer 4
-
$479 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$479 NZD
View
B+
Retailer 6
-
$642 NZD
View
A
Retailer 7
-
$781 NZD
View
A
Retailer 8
-
$841 NZD
View
A
Retailer 9
-
$895 NZD
View
A
Retailer 10
-
$909 NZD
View
A
Retailer 11
-
$986 NZD
View
B+
Retailer 12
-
$1,291 NZD
View
B+
Retailer 13
-
$1,542 NZD
View
B
Retailer 14
-
$1,695 NZD
View
B
Retailer 15
-
$1,710 NZD
View
Retailer 16
-
$1,726 NZD
View
Price last confirmed 16 days ago
B
Retailer 17
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$1,729 NZD
View
B
Retailer 18
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$1,893 NZD
View
B
Retailer 19
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$1,999 NZD
View
B
Retailer 20
-
$2,060 NZD
View
B+
Retailer 21
-
$2,106 NZD
View
B
Retailer 22
-
$2,217 NZD
View
B
Retailer 23
-
$2,222 NZD
View
B
Retailer 24
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$3,077 NZD
View
B
Retailer 25
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$3,077 NZD
View
B
Retailer 26
-
$3,700 NZD
View
Most Expensive
B
Yadav Diamonds
13210905 · Nov 6
$4,127 NZD
$2,320 USD
View
26 more retailers have this diamond
Prices start from $386 NZDSave up to $3,741 NZD

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
$386 NZD