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Round|Lab Grown|IGI

1.59ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG805620405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805620405

Diamond specifications and retailer prices

From $621 NZD
$350 USD
As of November 1, 2026
Save $2,720 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,495 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.59ct lab-grown round diamond

This 1.59ct 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 LG805620405 or 805620405. Listed at 21 retailers as of November 1, 2026, with a 438% 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

1.59
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805620405
Dimensions7.42 × 7.45 × 4.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.45 mm1.59 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805620405
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

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: $3,495 NZD|Low: $603 NZD|High: $3,495 NZD|Avg: $1,762 NZD|+0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 20$621 NZD
Retailer 9$720 NZD
Retailer 4$770 NZD
Retailer 12$770 NZD
Retailer 3$1,033 NZD
Retailer 19$1,038 NZD
Retailer 2$1,215 NZD
Retailer 5$1,228 NZD
Retailer 13$1,328 NZD
Retailer 14$1,370 NZD
Retailer 6$1,687 NZD
Retailer 18$1,788 NZD
Retailer 17$1,801 NZD
Retailer 7$2,475 NZD
Retailer 8$2,497 NZD
Retailer 11$2,550 NZD
Retailer 16$2,743 NZD
Retailer 15$3,008 NZD
Retailer 10$3,341 NZD
Rare Carat$3,495 NZD

35 data points across 20 retailers

21 retailers$621 NZD to $3,341 NZD

A
Cheapest Retailer
-
$621 NZD
$350 USD
A
Retailer 2
-
$720 NZD
$406 USD
View
A
Retailer 3
-
$770 NZD
$434 USD
View
Retailer 4
-
$770 NZD
$434 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$863 NZD
HK$3,800 HKD
View
A
Retailer 6
-
$1,033 NZD
$582 USD
View
A
Retailer 7
-
$1,038 NZD
$585 USD
View
A
Retailer 8
-
$1,215 NZD
€652 EUR
View
A
Retailer 9
-
$1,228 NZD
$692 USD
View
A
Retailer 10
-
$1,328 NZD
ZAR 12,091 ZAR
View
A
Retailer 11
-
$1,370 NZD
£608 GBP
View
B+
Retailer 12
-
$1,687 NZD
$951 USD
View
B+
Retailer 13
-
$1,788 NZD
A$1,550 AUD
View
B+
Retailer 14
-
$1,801 NZD
$1,015 USD
View
B
Retailer 15
-
$2,475 NZD
$1,395 USD
View
B
Retailer 16
-
$2,497 NZD
SGD 1,902 SGD
View
B
Retailer 17
-
$2,550 NZD
$1,437 USD
View
B
Retailer 18
-
$2,743 NZD
$1,546 USD
View
B
Retailer 19
-
$3,008 NZD
£1,335 GBP
View
B
Retailer 20
-
$3,341 NZD
$1,883 USD
View
Most Expensive
Rare Carat
AJ-36114305 · Oct 21
$3,495 NZD
$1,970 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $621 NZDSave up to $2,720 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
1.59ct Round
$621 NZD