Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG818660300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818660300

Diamond specifications and retailer prices

From $355 NZD
$200 USD
As of October 26, 2026
Save $3,052 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,407 NZD at Do Amore Diamonds · As of October 26, 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 LG818660300 or 818660300. Listed at 13 retailers as of October 26, 2026, with prices from $355 to $3,407, a $3,052 spread on the same certified stone. Do Amore Diamonds lists it at $3,407. 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 angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660300
Dimensions6.95 × 6.92 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660300
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: $3,407 NZD|Low: $355 NZD|High: $3,797 NZD|Avg: $1,336 NZD|-10.3%
Do Amore Diamonds
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
October 26, 2026
Retailer 2$355 NZD
Retailer 11$399 NZD
Retailer 13$545 NZD
Retailer 14$614 NZD
Retailer 7$773 NZD
Retailer 9$809 NZD
Retailer 12$1,187 NZD
Retailer 4$1,267 NZD
Retailer 3$1,386 NZD
Retailer 5$1,428 NZD
Retailer 10$1,565 NZD
Retailer 6$1,845 NZD
Retailer 8$1,954 NZD
Do Amore Diamonds$3,407 NZD

21 data points across 14 retailers

13 retailers$355 NZD to $3,407 NZD

A+
Cheapest Retailer
-
$355 NZD
$200 USD
A
Retailer 2
-
$545 NZD
$307 USD
View
B+
Retailer 3
-
$614 NZD
$346 USD
View
A
Retailer 4
-
$773 NZD
£343 GBP
View
A
Retailer 5
-
$809 NZD
€434 EUR
View
B+
Retailer 6
-
$1,187 NZD
A$1,029 AUD
View
B+
Retailer 7
-
$1,267 NZD
$714 USD
View
B+
Retailer 8
-
$1,386 NZD
$781 USD
View
Retailer 9
-
$1,428 NZD
$805 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,565 NZD
$882 USD
View
Retailer 11
-
$1,845 NZD
$1,040 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$1,954 NZD
£867 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E518663AE · Oct 26
$3,407 NZD
$1,920 USD
View
12 more retailers have this diamond
Prices start from $355 NZDSave up to $3,052 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
$355 NZD