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1.65ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG660459179

Certificate IGI LG660459179

Diamond specifications and retailer prices

From $2,165 NZD
$1,220 USD
As of October 30, 2026
Save $1,065 NZD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,229 NZD at Jared · As of October 30, 2026
View at Jared

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459179 or 660459179. Listed at 3 retailers as of October 30, 2026, with prices from $2,165 to $3,229, a $1,065 spread on the same certified stone. Jared lists it at $3,229. 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

1.65
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459179
Dimensions7.54 × 7.57 mm
L/W Ratio1.00
Top View
7.54 mm7.57 mm1.65 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459179
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,229 NZD|Low: $2,165 NZD|High: $3,229 NZD|Avg: $2,599 NZD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2$2,165 NZD
Retailer 3$2,165 NZD
Jared$3,229 NZD

9 data points across 3 retailers

3 retailers$2,165 NZD to $3,229 NZD

B
Cheapest Retailer
-
$2,165 NZD
$1,220 USD
B
Retailer 2
-
$2,165 NZD
$1,220 USD
View
Most Expensive
B
Jared
154541436 · Oct 30
$3,229 NZD
$1,820 USD
View
2 more retailers have this diamond
Prices start from $2,165 NZDSave up to $1,065 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
1.65ct Round
$2,165 NZD