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Oval|Lab Grown|IGI

11.16ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG583396946

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG583396946

Diamond specifications and retailer prices

From $3,208 NZD
£1,421 GBP
As of October 27, 2026
Save $25,407 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,615 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.16ct lab-grown oval diamond

This 11.16ct 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 LG583396946 or 583396946. Listed at 11 retailers as of October 27, 2026, with prices from $3,208 to $28,615, a $25,407 spread on the same certified stone. Brilliant Earth lists it at $28,615. 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

11.16
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583396946
Dimensions18.39 × 12.57 × 7.93 mm
L/W Ratio1.46
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
18.39 mm12.57 mm11.16 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583396946
Side View
Table 59.0%Crown 36.1°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 63.1%

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 27
Current: $31,049 NZD|Low: $3,208 NZD|High: $31,049 NZD|Avg: $15,423 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 17$3,208 NZD
Retailer 13$4,520 NZD
Retailer 18$5,691 NZD
Retailer 7$5,824 NZD
Retailer 6$6,510 NZD
Retailer 12$6,814 NZD
Retailer 14$6,857 NZD
Retailer 5$7,700 NZD
Retailer 4$9,973 NZD
Retailer 2$9,997 NZD
Retailer 19$11,894 NZD
Retailer 15$17,414 NZD
Retailer 3$19,200 NZD
Retailer 16$21,399 NZD
Retailer 8$22,341 NZD
Retailer 9$26,819 NZD
Retailer 11$26,819 NZD
Retailer 10$28,281 NZD
Brilliant Earth$31,049 NZD

11 data points across 19 retailers

11 retailers$3,208 NZD to $28,615 NZD

A
Cheapest Retailer
-
$3,208 NZD
£1,421 GBP
A
Retailer 2
-
$4,520 NZD
$2,543 USD
View
B+
Retailer 3
-
$5,691 NZD
$3,202 USD
View
B
Retailer 4
-
$6,814 NZD
£3,019 GBP
View
B+
Retailer 5
-
$6,857 NZD
$3,858 USD
View
B
Retailer 6
-
$9,973 NZD
$5,612 USD
View
B
Retailer 7
-
$11,894 NZD
$6,692 USD
View
B
Retailer 8
-
$17,414 NZD
$9,798 USD
View
B
Retailer 9
-
$19,200 NZD
$10,803 USD
View
B
Retailer 10
-
$21,399 NZD
$12,040 USD
View
Most Expensive
B
Brilliant Earth
22300766A · Oct 31
$28,615 NZD
$16,100 USD
View
10 more retailers have this diamond
Prices start from $3,208 NZDSave up to $25,407 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
11.16ct Oval
$3,208 NZD