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9.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG610311858

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610311858

Diamond specifications and retailer prices

From $3,528 NZD
$1,985 USD
As of November 3, 2026
Save $11,775 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,303 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 9.51ct lab-grown round diamond

This 9.51ct 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 LG610311858 or 610311858. Listed at 13 retailers as of November 2, 2026, with prices from $3,528 to $15,303, a $11,775 spread on the same certified stone. Brilliant Earth lists it at $15,303. 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

9.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610311858
Dimensions13.70 × 13.63 × 8.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
13.70 mm13.63 mm9.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610311858
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $15,303 NZD|Low: $2,726 NZD|High: $18,502 NZD|Avg: $6,238 NZD|-17.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3$2,726 NZD
Retailer 6$3,528 NZD
Retailer 9$3,854 NZD
Retailer 11$4,180 NZD
Retailer 2$4,547 NZD
Retailer 4$4,656 NZD
Retailer 10$5,071 NZD
Retailer 7$5,698 NZD
Retailer 8$8,501 NZD
Retailer 5$9,205 NZD
Brilliant Earth$15,303 NZD

37 data points across 11 retailers

13 retailers$3,528 NZD to $15,303 NZD

Retailer 1
-
$2,351 NZD
$1,323 USD
Price last confirmed 40 days ago
Retailer 2
-
$2,558 NZD
$1,439 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$2,689 NZD
$1,513 USD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
$3,528 NZD
$1,985 USD
View
B+
Retailer 5
-
$4,180 NZD
$2,352 USD
View
B+
Retailer 6
-
$4,547 NZD
£2,015 GBP
View
B+
Retailer 7
-
$4,656 NZD
€2,495 EUR
View
B+
Retailer 8
-
$5,071 NZD
$2,853 USD
View
Retailer 9
-
$5,112 NZD
$2,876 USD
View
Price last confirmed 36 days ago
B
Retailer 10
-
$5,698 NZD
$3,206 USD
View
B
Retailer 11
-
$8,501 NZD
$4,783 USD
View
B
Retailer 12
-
$9,205 NZD
£4,078 GBP
View
Most Expensive
B
Brilliant Earth
8644959A · Nov 2
$15,303 NZD
$8,610 USD
View
12 more retailers have this diamond
Prices start from $3,528 NZDSave up to $11,775 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.

B+
9.51ct Round
$3,528 NZD