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Round|Lab Grown|IGI

1.02ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG781618288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618288

Diamond specifications and retailer prices

From $416 NZD
As of November 3, 2026
Save $1,901 NZD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,568 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781618288 or 781618288. Listed at 24 retailers as of November 1, 2026, with a 457% 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

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618288
Dimensions6.42 × 6.45 × 3.96 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
6.42 mm6.45 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618288
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: $1,666 NZD|Low: $400 NZD|High: $3,680 NZD|Avg: $1,137 NZD|+22.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11$416 NZD
Retailer 3$517 NZD
Retailer 2$697 NZD
Retailer 5$818 NZD
Retailer 9$891 NZD
Retailer 6$935 NZD
Retailer 4$964 NZD
Retailer 7$1,264 NZD
Retailer 1$1,666 NZD
Retailer 10$2,062 NZD
Retailer 8$2,070 NZD

38 data points across 11 retailers

24 retailers$416 NZD to $2,317 NZD

A
Cheapest Retailer
-
$416 NZD
A
Retailer 2
-
$466 NZD
View
Final sale: no returns
A
Retailer 3
-
$484 NZD
View
A
Retailer 4
-
$517 NZD
View
A
Retailer 5
-
$569 NZD
View
A
Retailer 6
-
$697 NZD
View
A
Retailer 7
-
$818 NZD
View
A
Retailer 8
-
$891 NZD
View
A
Retailer 9
-
$930 NZD
View
A
Retailer 10
-
$935 NZD
View
A
Retailer 11
-
$939 NZD
View
A
Retailer 12
-
$964 NZD
View
B+
Retailer 13
-
$1,264 NZD
View
B+
Retailer 14
-
$1,374 NZD
View
B+
Retailer 15
-
$1,396 NZD
View
B+
Retailer 16
-
$1,661 NZD
View
B+
Retailer 17
-
$1,666 NZD
View
B
Retailer 18
-
$1,753 NZD
View
B
Retailer 19
-
$1,794 NZD
View
Retailer 20
-
$1,913 NZD
View
Price last confirmed 93 days ago
B
Retailer 21
-
$2,062 NZD
View
B+
Retailer 22
-
$2,070 NZD
View
B
Retailer 23
-
$2,317 NZD
View
Most Expensive
Queensmith
LG781618288 · Oct 27
$3,568 NZD
£1,580 GBP
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from $416 NZDSave up to $1,901 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
1.02ct Round
$416 NZD