CaratHunter
Plans
Oval|Lab Grown|IGI

1.20ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG840634416

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840634416

Diamond specifications and retailer prices

From $410 NZD
As of November 3, 2026
Save $3,681 NZD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,091 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634416 or 840634416. Listed at 21 retailers as of November 3, 2026, with prices from $410 to $4,091, a $3,681 spread on the same certified stone. Helzberg Diamonds lists it at $4,091. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634416
Dimensions8.54 × 5.92 × 3.74 mm
L/W Ratio1.44
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
8.54 mm5.92 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634416
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.2%

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: Nov 3
Current: $4,091 NZD|Low: $410 NZD|High: $4,550 NZD|Avg: $1,567 NZD
Helzberg 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 18$410 NZD
Retailer 15$459 NZD
Retailer 21$475 NZD
Retailer 7$507 NZD
Retailer 2$522 NZD
Retailer 12$522 NZD
Retailer 16$862 NZD
Retailer 10$894 NZD
Retailer 8$899 NZD
Retailer 14$946 NZD
Retailer 17$947 NZD
Retailer 20$1,332 NZD
Retailer 19$1,632 NZD
Retailer 3$1,639 NZD
Retailer 5$1,691 NZD
Retailer 4$1,724 NZD
Retailer 6$1,822 NZD
Retailer 9$2,088 NZD
Retailer 13$2,776 NZD
Retailer 11$3,477 NZD
Helzberg Diamonds$4,091 NZD

17 data points across 21 retailers

21 retailers$410 NZD to $4,091 NZD

A+
Cheapest Retailer
-
$410 NZD
A
Retailer 2
-
$459 NZD
View
Final sale: no returns
A
Retailer 3
-
$475 NZD
View
A
Retailer 4
-
$507 NZD
View
Retailer 5
-
$522 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$522 NZD
View
A
Retailer 7
-
$862 NZD
View
A
Retailer 8
-
$894 NZD
View
A
Retailer 9
-
$899 NZD
View
A
Retailer 10
-
$946 NZD
View
A
Retailer 11
-
$947 NZD
View
B+
Retailer 12
-
$1,332 NZD
View
B+
Retailer 13
-
$1,632 NZD
View
B+
Retailer 14
-
$1,639 NZD
View
B+
Retailer 15
-
$1,691 NZD
View
B+
Retailer 16
-
$1,724 NZD
View
B+
Retailer 17
-
$1,822 NZD
View
B+
Retailer 18
-
$2,088 NZD
View
B+
Retailer 19
-
$2,776 NZD
View
B
Retailer 20
-
$3,477 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKKHM · Nov 4
$4,091 NZD
$2,306 USD
View
20 more retailers have this diamond
Prices start from $410 NZDSave up to $3,681 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+
1.20ct Oval
$410 NZD