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Oval|Lab Grown|IGI

11.55ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG578327601

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG578327601

Diamond specifications and retailer prices

From $3,318 NZD
£1,470 GBP
As of October 27, 2026
Save $30,913 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $34,231 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.55ct lab-grown oval diamond

This 11.55ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578327601 or 578327601. Listed at 13 retailers as of October 27, 2026, with prices from $3,318 to $34,231, a $30,913 spread on the same certified stone. Brilliant Earth lists it at $34,231. 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

11.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578327601
Dimensions18.22 × 12.73 × 8.04 mm
L/W Ratio1.43
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
18.22 mm12.73 mm11.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578327601
Side View
Table 60.0%Crown 36°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.2%

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: $37,146 NZD|Low: $3,318 NZD|High: $37,146 NZD|Avg: $13,411 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
November 1, 2026
Retailer 17$3,318 NZD
Retailer 11$4,676 NZD
Retailer 18$5,886 NZD
Retailer 9$6,233 NZD
Retailer 2$6,911 NZD
Retailer 8$6,924 NZD
Retailer 12$7,093 NZD
Retailer 7$8,226 NZD
Retailer 14$9,778 NZD
Retailer 16$9,864 NZD
Retailer 5$10,302 NZD
Retailer 3$11,359 NZD
Retailer 6$12,898 NZD
Retailer 13$18,008 NZD
Retailer 4$19,870 NZD
Retailer 15$22,127 NZD
Retailer 10$29,277 NZD
Brilliant Earth$37,146 NZD

11 data points across 18 retailers

13 retailers$3,318 NZD to $34,231 NZD

A
Cheapest Retailer
-
$3,318 NZD
£1,470 GBP
A
Retailer 2
-
$4,676 NZD
$2,631 USD
View
B+
Retailer 3
-
$5,886 NZD
$3,312 USD
View
B+
Retailer 4
-
$6,911 NZD
£3,062 GBP
View
B+
Retailer 5
-
$7,093 NZD
$3,991 USD
View
B+
Retailer 6
-
$9,778 NZD
£4,332 GBP
View
B+
Retailer 7
-
$9,864 NZD
$5,550 USD
View
B+
Retailer 8
-
$10,302 NZD
$5,797 USD
View
B
Retailer 9
-
$11,359 NZD
$6,391 USD
View
B
Retailer 10
-
$18,008 NZD
$10,132 USD
View
B
Retailer 11
-
$19,870 NZD
$11,180 USD
View
B
Retailer 12
-
$22,127 NZD
$12,450 USD
View
Most Expensive
B
Brilliant Earth
22300997A · Oct 31
$34,231 NZD
$19,260 USD
View
12 more retailers have this diamond
Prices start from $3,318 NZDSave up to $30,913 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
11.55ct Oval
$3,318 NZD