CaratHunter
Plans
Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG476159592

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476159592

Diamond specifications and retailer prices

From $900 NZD
$507 USD
As of October 30, 2026
Save $3,927 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,826 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476159592 or 476159592. Listed at 12 retailers as of October 30, 2026, with prices from $900 to $4,826, a $3,927 spread on the same certified stone. Do Amore Diamonds lists it at $4,826. 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

1.74
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476159592
Dimensions7.73 × 7.67 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.73 mm7.67 mm1.74 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476159592
Side View
Table 57.5%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: Oct 30
Current: $4,826 NZD|Low: $483 NZD|High: $4,826 NZD|Avg: $1,538 NZD|+16.7%
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
November 1, 2026
Retailer 9$483 NZD
Retailer 10$532 NZD
Retailer 4$593 NZD
Retailer 7$900 NZD
Retailer 5$905 NZD
Retailer 12$1,097 NZD
Retailer 8$1,098 NZD
Retailer 3$1,542 NZD
Retailer 6$2,072 NZD
Retailer 11$2,445 NZD
Retailer 2$2,983 NZD
Do Amore Diamonds$4,826 NZD

17 data points across 12 retailers

12 retailers$900 NZD to $4,826 NZD

Retailer 1
-
$429 NZD
$242 USD
Price last confirmed 40 days ago
Retailer 2
-
$499 NZD
$281 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$527 NZD
$297 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$900 NZD
$507 USD
View
A
Retailer 5
-
$905 NZD
$510 USD
View
A
Retailer 6
-
$1,098 NZD
$619 USD
View
A
Retailer 7
-
$1,542 NZD
$869 USD
View
Retailer 8
-
$1,891 NZD
$1,066 USD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
$2,072 NZD
$1,168 USD
View
A
Retailer 10
-
$2,445 NZD
$1,378 USD
View
B+
Retailer 11
-
$2,983 NZD
£1,324 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E3A057575 · Nov 1
$4,826 NZD
$2,720 USD
View
11 more retailers have this diamond
Prices start from $900 NZDSave up to $3,927 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
1.74ct Round
$900 NZD