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Round|Lab Grown|IGI

1.55ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG801637280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801637280

Diamond specifications and retailer prices

From $683 NZD
As of November 4, 2026
Save $2,999 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,682 NZD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801637280 or 801637280. Listed at 23 retailers as of November 4, 2026, with prices from $683 to $3,682, a $2,999 spread on the same certified stone. Brilliant Earth lists it at $3,682. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801637280
Dimensions7.39 × 7.41 × 4.58 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
7.39 mm7.41 mm1.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801637280
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.5°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 4
Current: $3,682 NZD|Low: $683 NZD|High: $4,305 NZD|Avg: $1,830 NZD|-12.3%
Brilliant Earth
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 5, 2026
Retailer 8$683 NZD
Retailer 17$818 NZD
Retailer 12$863 NZD
Retailer 14$980 NZD
Retailer 15$1,002 NZD
Retailer 3$1,051 NZD
Retailer 2$1,099 NZD
Retailer 13$1,361 NZD
Retailer 16$1,462 NZD
Retailer 9$1,574 NZD
Retailer 7$1,960 NZD
Retailer 4$1,994 NZD
Retailer 5$2,288 NZD
Retailer 10$2,323 NZD
Retailer 6$2,583 NZD
Retailer 11$3,015 NZD
Brilliant Earth$3,682 NZD

35 data points across 17 retailers

23 retailers$683 NZD to $3,682 NZD

Retailer 1
-
$473 NZD
Price last confirmed 18 days ago
Retailer 2
-
$562 NZD
View
Price last confirmed 23 days ago
Retailer 3
-
$601 NZD
View
Price last confirmed 34 days ago
Retailer 4
-
$601 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$683 NZD
View
B+
Retailer 6
-
$818 NZD
View
A
Retailer 7
-
$863 NZD
View
A
Retailer 8
-
$980 NZD
View
A
Retailer 9
-
$1,002 NZD
View
A
Retailer 10
-
$1,051 NZD
View
A
Retailer 11
-
$1,099 NZD
View
A
Retailer 12
-
$1,361 NZD
View
A
Retailer 13
-
$1,462 NZD
View
B+
Retailer 14
-
$1,574 NZD
View
Retailer 15
-
$1,889 NZD
View
Price last confirmed 18 days ago
B+
Retailer 16
-
$1,960 NZD
View
B+
Retailer 17
-
$1,994 NZD
View
B+
Retailer 18
-
$2,233 NZD
View
B+
Retailer 19
-
$2,288 NZD
View
B+
Retailer 20
-
$2,323 NZD
View
B
Retailer 21
-
$2,583 NZD
View
B
Retailer 22
-
$3,015 NZD
View
Most Expensive
B
Brilliant Earth
20215236A · Nov 5
$3,682 NZD
$2,070 USD
View
22 more retailers have this diamond
Prices start from $683 NZDSave up to $2,999 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
$683 NZD