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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG784646557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784646557

Diamond specifications and retailer prices

From $1,709 NZD
$960 USD
As of October 29, 2026
Save $14,004 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $28,328 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown oval diamond

This 3.1ct 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 LG784646557 or 784646557. Listed at 15 retailers as of October 29, 2026, with a 819% 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

3.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646557
Dimensions11.60 × 8.31 × 4.99 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
11.60 mm8.31 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646557
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.0%

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: Oct 29
Current: $28,328 NZD|Low: $1,709 NZD|High: $28,328 NZD|Avg: $7,341 NZD
Brilliant Earth
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
October 29, 2026
Retailer 9$1,709 NZD
Retailer 4$1,861 NZD
Retailer 11$2,304 NZD
Retailer 8$2,306 NZD
Retailer 10$3,173 NZD
Retailer 14$3,689 NZD
Retailer 7$3,885 NZD
Retailer 15$4,102 NZD
Retailer 3$4,154 NZD
Retailer 13$4,273 NZD
Retailer 2$7,462 NZD
Retailer 6$9,730 NZD
Retailer 12$15,188 NZD
Retailer 5$15,713 NZD
Brilliant Earth$28,328 NZD

35 data points across 15 retailers

15 retailers$1,709 NZD to $15,713 NZD

A
Cheapest Retailer
-
$1,709 NZD
$960 USD
A
Retailer 2
-
$1,861 NZD
$1,045 USD
View
A
Retailer 3
-
$2,304 NZD
$1,294 USD
View
A
Retailer 4
-
$2,306 NZD
$1,295 USD
View
A
Retailer 5
-
$3,173 NZD
$1,782 USD
View
A
Retailer 6
-
$3,689 NZD
€1,973 EUR
View
A
Retailer 7
-
$3,885 NZD
$2,182 USD
View
Final sale: no returns
A
Retailer 8
-
$4,102 NZD
$2,304 USD
View
A
Retailer 9
-
$4,154 NZD
$2,333 USD
View
A
Retailer 10
-
$4,273 NZD
$2,400 USD
View
B+
Retailer 11
-
$7,462 NZD
£3,300 GBP
View
Retailer 12
-
$9,730 NZD
$5,465 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$15,188 NZD
$8,530 USD
View
B
Retailer 14
-
$15,713 NZD
$8,825 USD
View
Most Expensive
Brilliant Earth
21060685Y · Oct 29
$28,328 NZD
$15,910 USD
View
Price under review
14 more retailers have this diamond
Prices start from $1,709 NZDSave up to $14,004 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
3.10ct Oval
$1,709 NZD