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1.62ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG571321854

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571321854

Diamond specifications and retailer prices

From $619 NZD
$349 USD
As of November 1, 2026
Save $4,881 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,500 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571321854 or 571321854. Listed at 18 retailers as of October 31, 2026, with prices from $619 to $5,500, a $4,881 spread on the same certified stone. Do Amore Diamonds lists it at $5,500. 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

1.62
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571321854
Dimensions7.57 × 7.61 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm7.61 mm1.62 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571321854
Side View
Table 58.5%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: $5,500 NZD|Low: $619 NZD|High: $5,500 NZD|Avg: $1,731 NZD
Do Amore Diamonds
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
November 1, 2026
Retailer 18$619 NZD
Retailer 15$719 NZD
Retailer 12$759 NZD
Retailer 5$768 NZD
Retailer 14$768 NZD
Retailer 3$940 NZD
Retailer 6$1,038 NZD
Retailer 7$1,313 NZD
Retailer 9$1,328 NZD
Retailer 16$1,361 NZD
Retailer 11$1,369 NZD
Retailer 10$1,495 NZD
Retailer 2$1,597 NZD
Retailer 17$2,253 NZD
Retailer 8$2,323 NZD
Retailer 4$2,725 NZD
Retailer 13$3,330 NZD
Do Amore Diamonds$5,500 NZD

15 data points across 18 retailers

18 retailers$619 NZD to $5,500 NZD

A
Cheapest Retailer
-
$619 NZD
$349 USD
A
Retailer 2
-
$719 NZD
$405 USD
View
B+
Retailer 3
-
$759 NZD
$428 USD
View
Retailer 4
-
$768 NZD
$433 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$768 NZD
$433 USD
View
A
Retailer 6
-
$940 NZD
$530 USD
View
A
Retailer 7
-
$1,038 NZD
$585 USD
View
Retailer 8
-
$1,313 NZD
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$1,328 NZD
$748 USD
View
A
Retailer 10
-
$1,361 NZD
$767 USD
View
A
Retailer 11
-
$1,369 NZD
£607 GBP
View
A
Retailer 12
-
$1,495 NZD
$842 USD
View
A
Retailer 13
-
$1,597 NZD
$900 USD
View
A
Retailer 14
-
$2,253 NZD
$1,270 USD
View
A
Retailer 15
-
$2,323 NZD
$1,309 USD
View
B+
Retailer 16
-
$2,725 NZD
$1,536 USD
View
B+
Retailer 17
-
$3,330 NZD
£1,478 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B48887AE · Oct 31
$5,500 NZD
$3,100 USD
View
17 more retailers have this diamond
Prices start from $619 NZDSave up to $4,881 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
1.62ct Round
$619 NZD