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10.54ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG781635531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781635531

Diamond specifications and retailer prices

From $2,821 NZD
$1,587 USD
As of October 26, 2026
Save $10,385 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,205 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.54ct lab-grown round diamond

This 10.54ct lab-grown round 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 LG781635531 or 781635531. Listed at 15 retailers as of October 26, 2026, with prices from $2,821 to $13,205, a $10,385 spread on the same certified stone. Brilliant Earth lists it at $13,205. 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

10.54
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635531
Dimensions14.18 × 14.25 × 8.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.18 mm14.25 mm10.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635531
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $13,205 NZD|Low: $2,735 NZD|High: $13,223 NZD|Avg: $5,785 NZD|-0.1%
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
November 2, 2026
Retailer 7$2,821 NZD
Retailer 13$2,929 NZD
Retailer 5$3,069 NZD
Retailer 8$3,158 NZD
Retailer 3$3,272 NZD
Retailer 16$3,572 NZD
Retailer 10$3,640 NZD
Retailer 14$4,590 NZD
Retailer 9$4,802 NZD
Retailer 2$5,113 NZD
Retailer 6$5,149 NZD
Retailer 4$6,133 NZD
Retailer 12$9,740 NZD
Retailer 15$10,296 NZD
Retailer 11$10,502 NZD
Brilliant Earth$13,205 NZD

32 data points across 16 retailers

15 retailers$2,821 NZD to $13,205 NZD

A
Cheapest Retailer
-
$2,821 NZD
$1,587 USD
A
Retailer 2
-
$2,929 NZD
£1,298 GBP
View
Retailer 3
-
$3,069 NZD
$1,727 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$3,272 NZD
$1,841 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$3,572 NZD
$2,010 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$3,640 NZD
HK$16,000 HKD
View
A
Retailer 7
-
$4,590 NZD
£2,033 GBP
View
A
Retailer 8
-
$4,802 NZD
€2,573 EUR
View
A
Retailer 9
-
$5,113 NZD
$2,877 USD
View
Retailer 10
-
$5,149 NZD
$2,897 USD
View
Price last confirmed 6 days ago
Retailer 11
-
$6,133 NZD
$3,451 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$9,740 NZD
$5,480 USD
View
B
Retailer 13
-
$10,296 NZD
$5,793 USD
View
B
Retailer 14
-
$10,502 NZD
SGD 7,985 SGD
View
Most Expensive
B
Brilliant Earth
18346400A · Nov 2
$13,205 NZD
$7,430 USD
View
14 more retailers have this diamond
Prices start from $2,821 NZDSave up to $10,385 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
10.54ct Round
$2,821 NZD