Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG783655183

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783655183

Diamond specifications and retailer prices

From $421 NZD
$237 USD
As of November 1, 2026
Save $3,631 NZD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,052 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783655183 or 783655183. Listed at 21 retailers as of November 1, 2026, with prices from $421 to $4,052, a $3,631 spread on the same certified stone. Do Amore Diamonds lists it at $4,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655183
Dimensions7.40 × 7.42 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.42 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783655183
Side View
Table 58.0%Crown 35.6°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: Nov 1
Current: $900 NZD|Low: $405 NZD|High: $2,986 NZD|Avg: $1,145 NZD|-0.2%
Retailer 1
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
November 2, 2026
Retailer 17$421 NZD
Retailer 16$471 NZD
Retailer 6$489 NZD
Retailer 3$523 NZD
Retailer 9$523 NZD
Retailer 8$700 NZD
Retailer 1$900 NZD
Retailer 5$972 NZD
Retailer 11$996 NZD
Retailer 10$1,102 NZD
Retailer 14$1,342 NZD
Retailer 2$1,413 NZD
Retailer 15$1,688 NZD
Retailer 7$1,856 NZD
Retailer 4$2,127 NZD
Retailer 12$2,314 NZD
Retailer 13$2,773 NZD

43 data points across 17 retailers

21 retailers$421 NZD to $4,052 NZD

A
Cheapest Retailer
-
$421 NZD
$237 USD
A
Retailer 2
-
$471 NZD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$489 NZD
$275 USD
View
A
Retailer 4
-
$523 NZD
$294 USD
View
Retailer 5
-
$523 NZD
$294 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$670 NZD
$377 USD
View
B+
Retailer 7
-
$700 NZD
$394 USD
View
A
Retailer 8
-
$900 NZD
£399 GBP
View
A
Retailer 9
-
$972 NZD
$547 USD
View
A
Retailer 10
-
$996 NZD
ZAR 9,050 ZAR
View
B+
Retailer 11
-
$1,102 NZD
£488 GBP
View
B+
Retailer 12
-
$1,342 NZD
A$1,162 AUD
View
Retailer 13
-
$1,413 NZD
$795 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$1,688 NZD
$950 USD
View
B
Retailer 15
-
$1,856 NZD
$1,044 USD
View
B
Retailer 16
-
$2,127 NZD
$1,197 USD
View
B
Retailer 17
-
$2,156 NZD
$1,213 USD
View
B
Retailer 18
-
$2,314 NZD
£1,025 GBP
View
B
Retailer 19
-
$2,331 NZD
$1,312 USD
View
B
Retailer 20
-
$2,773 NZD
$1,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-A8BE2C1DD · Nov 2
$4,052 NZD
$2,280 USD
View
20 more retailers have this diamond
Prices start from $421 NZDSave up to $3,631 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
1.55ct Round
$421 NZD