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Oval|Lab Grown|IGI

13.03ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG567373075

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG567373075

Diamond specifications and retailer prices

From $3,731 NZD
£1,656 GBP
As of October 27, 2026
Save $29,626 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $33,357 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 13.03ct lab-grown oval diamond

This 13.03ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567373075 or 567373075. Listed at 12 retailers as of October 27, 2026, with prices from $3,731 to $33,357, a $29,626 spread on the same certified stone. Brilliant Earth lists it at $33,357. 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

13.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567373075
Dimensions19.18 × 13.25 × 8.21 mm
L/W Ratio1.45
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
19.18 mm13.25 mm13.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567373075
Side View
Table 60.5%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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 27
Current: $36,196 NZD|Low: $3,731 NZD|High: $36,196 NZD|Avg: $14,187 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
November 1, 2026
Retailer 13$3,731 NZD
Retailer 9$5,259 NZD
Retailer 14$6,618 NZD
Retailer 7$7,222 NZD
Retailer 8$7,778 NZD
Retailer 10$7,979 NZD
Retailer 6$7,984 NZD
Retailer 5$9,554 NZD
Retailer 2$10,326 NZD
Retailer 4$11,531 NZD
Retailer 15$16,047 NZD
Retailer 11$20,229 NZD
Retailer 3$22,379 NZD
Retailer 12$24,893 NZD
Brilliant Earth$36,196 NZD

11 data points across 15 retailers

12 retailers$3,731 NZD to $33,357 NZD

A
Cheapest Retailer
-
$3,731 NZD
£1,656 GBP
A
Retailer 2
-
$5,259 NZD
$2,964 USD
View
B+
Retailer 3
-
$6,618 NZD
$3,730 USD
View
B
Retailer 4
-
$7,778 NZD
£3,452 GBP
View
B
Retailer 5
-
$7,979 NZD
$4,497 USD
View
B
Retailer 6
-
$10,326 NZD
$5,820 USD
View
B
Retailer 7
-
$11,531 NZD
$6,499 USD
View
B
Retailer 8
-
$16,047 NZD
$9,044 USD
View
B
Retailer 9
-
$20,229 NZD
$11,401 USD
View
B
Retailer 10
-
$22,379 NZD
$12,613 USD
View
B
Retailer 11
-
$24,893 NZD
$14,030 USD
View
Most Expensive
B
Brilliant Earth
22301183A · Oct 31
$33,357 NZD
$18,800 USD
View
11 more retailers have this diamond
Prices start from $3,731 NZDSave up to $29,626 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
13.03ct Oval
$3,731 NZD