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Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG811618554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811618554

Diamond specifications and retailer prices

From $381 NZD
As of November 3, 2026
Save $1,820 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,965 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG811618554 or 811618554. Listed at 22 retailers as of November 3, 2026, with a 477% 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

1.25
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811618554
Dimensions6.92 × 6.96 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.92 mm6.96 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811618554
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.2%

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: $866 NZD|Low: $381 NZD|High: $1,916 NZD|Avg: $1,020 NZD|+3.6%
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
November 5, 2026
Retailer 2$381 NZD
Retailer 4$474 NZD
Retailer 5$639 NZD
Retailer 6$749 NZD
Retailer 9$816 NZD
Retailer 1$866 NZD
Retailer 8$889 NZD
Retailer 12$988 NZD
Retailer 7$1,155 NZD
Retailer 13$1,526 NZD
Retailer 11$1,712 NZD
Retailer 3$1,827 NZD
Retailer 10$1,905 NZD

38 data points across 13 retailers

22 retailers$381 NZD to $2,202 NZD

A
Cheapest Retailer
-
$381 NZD
A
Retailer 2
-
$428 NZD
View
Final sale: no returns
A
Retailer 3
-
$442 NZD
View
Retailer 4
-
$474 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$474 NZD
View
B+
Retailer 6
-
$639 NZD
View
A
Retailer 7
-
$749 NZD
View
A
Retailer 8
-
$816 NZD
View
A
Retailer 9
-
$866 NZD
View
B+
Retailer 10
-
$889 NZD
View
B+
Retailer 11
-
$894 NZD
View
B+
Retailer 12
-
$907 NZD
View
B+
Retailer 13
-
$988 NZD
View
B+
Retailer 14
-
$1,155 NZD
View
B
Retailer 15
-
$1,520 NZD
View
B
Retailer 16
-
$1,526 NZD
View
B
Retailer 17
-
$1,614 NZD
View
Retailer 18
-
$1,712 NZD
View
Price last confirmed 11 days ago
Retailer 19
-
$1,827 NZD
View
Price last confirmed 28 days ago
Retailer 20
-
$1,905 NZD
View
Price last confirmed 7 days ago
B
Retailer 21
-
$2,202 NZD
View
Most Expensive
Queensmith
LG811618554 · Oct 27
$3,965 NZD
£1,760 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $381 NZDSave up to $1,820 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
1.25ct Round
$381 NZD