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Marquise|Lab Grown|IGI

1.59ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679631

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679631

Diamond specifications and retailer prices

From $2,135 NZD
HK$9,400 HKD
As of October 31, 2026
Save $4,501 NZD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,636 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679631 or 800679631. Listed at 12 retailers as of October 30, 2026, with prices from $2,135 to $6,636, a $4,501 spread on the same certified stone. Brilliant Earth lists it at $6,636. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679631
Dimensions12.14 × 6.06 × 3.84 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.14 mm6.06 mm1.59 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679631
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.4%

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 31
Current: $6,636 NZD|Low: $1,476 NZD|High: $7,481 NZD|Avg: $4,317 NZD|-10.5%
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
October 31, 2026
Retailer 5$1,476 NZD
Retailer 9$2,135 NZD
Retailer 12$2,307 NZD
Retailer 13$2,626 NZD
Retailer 2$2,674 NZD
Retailer 6$2,796 NZD
Retailer 7$3,198 NZD
Retailer 11$4,469 NZD
Retailer 10$5,444 NZD
Retailer 4$6,030 NZD
Retailer 8$6,530 NZD
Retailer 3$6,599 NZD
Brilliant Earth$6,636 NZD

43 data points across 13 retailers

12 retailers$2,135 NZD to $6,636 NZD

A
Cheapest Retailer
-
$2,135 NZD
HK$9,400 HKD
A
Retailer 2
-
$2,307 NZD
$1,300 USD
View
A
Retailer 3
-
$2,626 NZD
$1,480 USD
View
A
Retailer 4
-
$2,674 NZD
£1,187 GBP
View
A
Retailer 5
-
$2,796 NZD
€1,501 EUR
View
B+
Retailer 6
-
$3,198 NZD
ZAR 29,118 ZAR
View
Retailer 7
-
$4,469 NZD
$2,519 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$5,444 NZD
$3,068 USD
View
B
Retailer 9
-
$6,030 NZD
$3,399 USD
View
B
Retailer 10
-
$6,530 NZD
£2,898 GBP
View
B
Retailer 11
-
$6,599 NZD
$3,719 USD
View
Most Expensive
B
Brilliant Earth
20936672A · Oct 30
$6,636 NZD
$3,740 USD
View
11 more retailers have this diamond
Prices start from $2,135 NZDSave up to $4,501 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 Marquise
$2,135 NZD