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Oval|Lab Grown|IGI

4.03ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG630457984

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG630457984

Diamond specifications and retailer prices

From $1,215 NZD
$685 USD
As of October 31, 2026
Save $3,628 NZD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,844 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630457984 or 630457984. Listed at 17 retailers as of October 31, 2026, with prices from $1,215 to $4,844, a $3,628 spread on the same certified stone. Brilliant Earth lists it at $4,844. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.03
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630457984
Dimensions13.26 × 8.99 × 5.56 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.26 mm8.99 mm4.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630457984
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,844 NZD|Low: $911 NZD|High: $5,004 NZD|Avg: $2,270 NZD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$911 NZD
Retailer 8$958 NZD
Retailer 6$1,215 NZD
Retailer 12$1,505 NZD
Retailer 5$1,516 NZD
Retailer 2$1,569 NZD
Retailer 3$1,694 NZD
Retailer 4$2,369 NZD
Retailer 9$2,688 NZD
Retailer 7$3,524 NZD
Retailer 10$3,566 NZD
Brilliant Earth$4,844 NZD

35 data points across 12 retailers

17 retailers$1,215 NZD to $4,844 NZD

Retailer 1
-
$774 NZD
$436 USD
Price last confirmed 39 days ago
Retailer 2
-
$866 NZD
$488 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$911 NZD
£404 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
$946 NZD
$533 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$958 NZD
$540 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$958 NZD
$540 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$1,215 NZD
$685 USD
View
B+
Retailer 8
-
$1,505 NZD
$848 USD
View
A
Retailer 9
-
$1,516 NZD
€814 EUR
View
A
Retailer 10
-
$1,569 NZD
£696 GBP
View
A
Retailer 11
-
$1,694 NZD
$955 USD
View
B+
Retailer 12
-
$2,369 NZD
$1,335 USD
View
B+
Retailer 13
-
$2,688 NZD
$1,515 USD
View
Retailer 14
-
$3,080 NZD
$1,736 USD
View
Price last confirmed 35 days ago
B+
Retailer 15
-
$3,524 NZD
£1,564 GBP
View
B
Retailer 16
-
$3,566 NZD
$2,010 USD
View
Most Expensive
B
Brilliant Earth
10056868A · Oct 31
$4,844 NZD
$2,730 USD
View
16 more retailers have this diamond
Prices start from $1,215 NZDSave up to $3,628 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
4.03ct Oval
$1,215 NZD