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Round|Lab Grown|IGI

1.60ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG840651817

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840651817

Diamond specifications and retailer prices

From $607 NZD
$342 USD
As of November 1, 2026
Save $2,654 NZD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,895 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840651817 or 840651817. Listed at 22 retailers as of November 1, 2026, with a 437% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840651817
Dimensions7.51 × 7.55 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.55 mm1.60 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840651817
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.2%

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: Nov 1
Current: $3,895 NZD|Low: $607 NZD|High: $3,939 NZD|Avg: $1,862 NZD|-1.1%
Rare Carat
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 4$607 NZD
Retailer 3$1,011 NZD
Retailer 9$1,020 NZD
Retailer 6$1,068 NZD
Retailer 2$1,190 NZD
Retailer 7$1,298 NZD
Retailer 8$1,336 NZD
Retailer 12$1,746 NZD
Retailer 10$1,757 NZD
Retailer 5$2,418 NZD
Retailer 13$2,702 NZD
Retailer 11$3,031 NZD
Rare Carat$3,895 NZD

31 data points across 13 retailers

22 retailers$607 NZD to $3,261 NZD

A
Cheapest Retailer
-
$607 NZD
$342 USD
A
Retailer 2
-
$704 NZD
$397 USD
View
Retailer 3
-
$752 NZD
$424 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$752 NZD
$424 USD
View
A
Retailer 5
-
$840 NZD
HK$3,700 HKD
View
A
Retailer 6
-
$1,011 NZD
$570 USD
View
A
Retailer 7
-
$1,020 NZD
$575 USD
View
A
Retailer 8
-
$1,068 NZD
£474 GBP
View
A
Retailer 9
-
$1,190 NZD
€639 EUR
View
A
Retailer 10
-
$1,212 NZD
$683 USD
View
A
Retailer 11
-
$1,298 NZD
ZAR 11,814 ZAR
View
A
Retailer 12
-
$1,336 NZD
£593 GBP
View
B+
Retailer 13
-
$1,702 NZD
$959 USD
View
B+
Retailer 14
-
$1,746 NZD
A$1,514 AUD
View
B+
Retailer 15
-
$1,757 NZD
$990 USD
View
B+
Retailer 16
-
$2,418 NZD
$1,363 USD
View
B+
Retailer 17
-
$2,445 NZD
SGD 1,862 SGD
View
B
Retailer 18
-
$2,495 NZD
$1,406 USD
View
B+
Retailer 19
-
$2,702 NZD
$1,523 USD
View
B
Retailer 20
-
$3,031 NZD
£1,345 GBP
View
B
Retailer 21
-
$3,261 NZD
$1,838 USD
View
Most Expensive
Rare Carat
AJ-00058577 · Oct 21
$3,895 NZD
$2,195 USD
View
Price last confirmed 11 days ago
21 more retailers have this diamond
Prices start from $607 NZDSave up to $2,654 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
1.60ct Round
$607 NZD