Oval|Lab Grown|IGI

3.37ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780666012

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780666012

Diamond specifications and retailer prices

From $2,359 NZD
$1,325 USD
As of October 29, 2026
Save $13,131 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $30,803 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.37ct lab-grown oval diamond

This 3.37ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666012 or 780666012. Listed at 14 retailers as of October 29, 2026, with a 557% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.37
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666012
Dimensions11.94 × 8.53 × 5.21 mm
L/W Ratio1.40
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
11.94 mm8.53 mm3.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666012
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.1%

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 29
Current: $30,803 NZD|Low: $2,359 NZD|High: $31,746 NZD|Avg: $9,253 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2$2,359 NZD
Retailer 6$2,361 NZD
Retailer 5$3,232 NZD
Retailer 9$3,761 NZD
Retailer 4$4,216 NZD
Retailer 8$4,359 NZD
Retailer 10$4,834 NZD
Retailer 11$5,778 NZD
Retailer 3$8,025 NZD
Retailer 12$10,149 NZD
Retailer 7$15,490 NZD
Brilliant Earth$30,803 NZD

33 data points across 12 retailers

14 retailers$2,359 NZD to $15,490 NZD

A+
Cheapest Retailer
-
$2,359 NZD
$1,325 USD
A+
Retailer 2
-
$2,361 NZD
$1,326 USD
View
Retailer 3
-
$3,036 NZD
$1,705 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$3,232 NZD
$1,815 USD
View
Retailer 5
-
$3,442 NZD
$1,933 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$3,761 NZD
€2,012 EUR
View
A
Retailer 7
-
$4,359 NZD
$2,448 USD
View
A
Retailer 8
-
$4,834 NZD
$2,715 USD
View
Retailer 9
-
$5,566 NZD
$3,126 USD
View
Price last confirmed 29 days ago
A
Retailer 10
-
$5,778 NZD
$3,245 USD
View
Retailer 11
-
$8,025 NZD
£3,549 GBP
View
Price last confirmed 9 days ago
Retailer 12
-
$10,149 NZD
$5,700 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$15,490 NZD
$8,700 USD
View
Most Expensive
Brilliant Earth
18577639Y · Oct 29
$30,803 NZD
$17,300 USD
View
Price under review
13 more retailers have this diamond
Prices start from $2,359 NZDSave up to $13,131 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+
3.37ct Oval
$2,359 NZD