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Round|Lab Grown|IGI

1.66ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG483102895

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483102895

Diamond specifications and retailer prices

From $514 NZD
$289 USD
As of November 1, 2026
Save $2,037 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,551 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483102895 or 483102895. Listed at 15 retailers as of November 1, 2026, with prices from $514 to $2,551, a $2,037 spread on the same certified stone. MOH London lists it at $2,551. 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

1.66
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483102895
Dimensions7.68 × 7.61 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.68 mm7.61 mm1.66 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483102895
Side View
Table 58.5%Crown 34.2°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.0%

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: Nov 1
Current: $2,551 NZD|Low: $492 NZD|High: $2,580 NZD|Avg: $1,088 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$514 NZD
Retailer 4$572 NZD
Retailer 13$595 NZD
Retailer 5$636 NZD
Retailer 10$636 NZD
Retailer 11$835 NZD
Retailer 2$1,026 NZD
Retailer 12$1,109 NZD
Retailer 6$1,113 NZD
Retailer 7$1,217 NZD
Retailer 8$1,955 NZD
Retailer 3$2,046 NZD
MOH London$2,551 NZD

44 data points across 13 retailers

15 retailers$514 NZD to $2,551 NZD

A
Cheapest Retailer
-
$514 NZD
$289 USD
A
Retailer 2
-
$572 NZD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$595 NZD
$335 USD
View
Retailer 4
-
$636 NZD
$358 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$636 NZD
$358 USD
View
A
Retailer 6
-
$705 NZD
HK$3,100 HKD
View
B+
Retailer 7
-
$835 NZD
$470 USD
View
A
Retailer 8
-
$1,026 NZD
€550 EUR
View
B+
Retailer 9
-
$1,109 NZD
$624 USD
View
B+
Retailer 10
-
$1,113 NZD
£493 GBP
View
Retailer 11
-
$1,217 NZD
$685 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,788 NZD
$1,006 USD
View
B
Retailer 13
-
$1,955 NZD
$1,100 USD
View
B
Retailer 14
-
$2,046 NZD
$1,151 USD
View
Most Expensive
B
MOH London
LG483102895 · Nov 1
$2,551 NZD
£1,130 GBP
View
14 more retailers have this diamond
Prices start from $514 NZDSave up to $2,037 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
1.66ct Round
$514 NZD