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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG775631915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775631915

Diamond specifications and retailer prices

From $577 NZD
As of November 3, 2026
Save $2,280 NZD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,109 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 LG775631915 or 775631915. Listed at 23 retailers as of November 3, 2026, with a 395% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775631915
Dimensions6.99 × 7.02 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
6.99 mm7.02 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775631915
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: Nov 3
Current: $5,109 NZD|Low: $486 NZD|High: $5,109 NZD|Avg: $1,528 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 7$486 NZD
Retailer 6$577 NZD
Retailer 14$644 NZD
Retailer 3$669 NZD
Retailer 4$715 NZD
Retailer 20$754 NZD
Retailer 19$985 NZD
Retailer 15$1,130 NZD
Retailer 9$1,155 NZD
Retailer 10$1,158 NZD
Retailer 8$1,164 NZD
Retailer 18$1,231 NZD
Retailer 13$1,260 NZD
Retailer 16$1,754 NZD
Retailer 17$1,849 NZD
Retailer 21$2,297 NZD
Retailer 12$2,375 NZD
Retailer 11$2,574 NZD
Retailer 5$2,643 NZD
Retailer 2$2,856 NZD
Do Amore Diamonds$5,109 NZD

31 data points across 21 retailers

23 retailers$577 NZD to $2,856 NZD

Retailer 1
-
$486 NZD
Price last confirmed 11 days ago
A
Retailer 2
-
$577 NZD
View
A
Retailer 3
-
$644 NZD
View
Final sale: no returns
A
Retailer 4
-
$669 NZD
View
A
Retailer 5
-
$715 NZD
View
A
Retailer 6
-
$754 NZD
View
B+
Retailer 7
-
$985 NZD
View
B+
Retailer 8
-
$1,130 NZD
View
B+
Retailer 9
-
$1,155 NZD
View
B+
Retailer 10
-
$1,158 NZD
View
B+
Retailer 11
-
$1,231 NZD
View
B+
Retailer 12
-
$1,260 NZD
View
Retailer 13
-
$1,621 NZD
View
Price last confirmed 88 days ago
B+
Retailer 14
-
$1,754 NZD
View
B
Retailer 15
-
$1,849 NZD
View
B
Retailer 16
-
$2,095 NZD
View
B
Retailer 17
-
$2,297 NZD
View
B
Retailer 18
-
$2,375 NZD
View
Retailer 19
-
$2,549 NZD
View
Price last confirmed 100 days ago
B
Retailer 20
-
$2,574 NZD
View
B
Retailer 21
-
$2,643 NZD
View
B
Retailer 22
-
$2,856 NZD
View
Most Expensive
Do Amore Diamonds
27-60B7367FE · Nov 4
$5,109 NZD
$2,880 USD
View
Price under review
22 more retailers have this diamond
Prices start from $577 NZDSave up to $2,280 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 Round
$577 NZD