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Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645756

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645756

Diamond specifications and retailer prices

From $429 NZD
As of November 4, 2026
Save $1,783 NZD (81%) vs most expensive(unlock to see where)
24 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 LG778645756 or 778645756. Listed at 24 retailers as of November 4, 2026, with a 415% 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645756
Dimensions6.90 × 6.93 × 4.26 mm
L/W Ratio1.00
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
6.90 mm6.93 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645756
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 4
Current: $873 NZD|Low: $429 NZD|High: $1,932 NZD|Avg: $1,022 NZD|+5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 11$429 NZD
Retailer 4$477 NZD
Retailer 2$642 NZD
Retailer 8$821 NZD
Retailer 7$867 NZD
Retailer 1$873 NZD
Retailer 3$910 NZD
Retailer 6$1,166 NZD
Retailer 10$1,446 NZD
Retailer 5$1,538 NZD
Retailer 12$1,827 NZD
Retailer 9$1,909 NZD

40 data points across 12 retailers

24 retailers$429 NZD to $2,212 NZD

Retailer 1
-
$369 NZD
Price last confirmed 35 days ago
A
Retailer 2
-
$429 NZD
View
Final sale: no returns
Retailer 3
-
$445 NZD
View
Price last confirmed 30 days ago
Retailer 4
-
$477 NZD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$545 NZD
View
B+
Retailer 6
-
$642 NZD
View
A
Retailer 7
-
$821 NZD
View
A
Retailer 8
-
$867 NZD
View
A
Retailer 9
-
$873 NZD
View
B+
Retailer 10
-
$896 NZD
View
B+
Retailer 11
-
$910 NZD
View
B+
Retailer 12
-
$1,166 NZD
View
B+
Retailer 13
-
$1,261 NZD
View
Retailer 14
-
$1,446 NZD
View
Price last confirmed 15 days ago
Retailer 15
-
$1,533 NZD
View
Price last confirmed 36 days ago
B
Retailer 16
-
$1,538 NZD
View
B
Retailer 17
-
$1,547 NZD
View
Retailer 18
-
$1,572 NZD
View
Price last confirmed 101 days ago
B
Retailer 19
-
$1,625 NZD
View
B
Retailer 20
-
$1,636 NZD
View
Retailer 21
-
$1,827 NZD
View
Price last confirmed 20 days ago
B+
Retailer 22
-
$1,909 NZD
View
B
Retailer 23
-
$2,212 NZD
View
Most Expensive
Queensmith
LG778645756 · Oct 27
$3,965 NZD
£1,760 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $429 NZDSave up to $1,783 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
$429 NZD