CaratHunter
Plans
Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG807698439

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807698439

Diamond specifications and retailer prices

From $987 NZD
$555 USD
As of November 3, 2026
Save $5,472 NZD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,685 NZD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.89ct lab-grown marquise diamond

This 3.89ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807698439 or 807698439. Listed at 6 retailers as of November 1, 2026, with a 555% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.89
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807698439
Dimensions16.97 × 8.16 × 5.01 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.97 mm8.16 mm3.89 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807698439
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: Nov 3
Current: $6,685 NZD|Low: $987 NZD|High: $6,685 NZD|Avg: $3,100 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 6$987 NZD
Retailer 5$1,376 NZD
Retailer 10$1,529 NZD
Retailer 9$1,677 NZD
Retailer 3$1,908 NZD
Retailer 4$2,340 NZD
Retailer 11$2,539 NZD
Retailer 12$3,029 NZD
Retailer 8$3,584 NZD
Retailer 7$4,898 NZD
Retailer 2$6,459 NZD
Brilliant Earth$6,685 NZD

15 data points across 12 retailers

6 retailers$987 NZD to $6,459 NZD

A
Cheapest Retailer
-
$987 NZD
$555 USD
Final sale: no returns
B+
Retailer 2
-
$1,376 NZD
$774 USD
View
B+
Retailer 3
-
$3,584 NZD
$2,016 USD
View
Retailer 4
-
$4,898 NZD
$2,755 USD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$6,459 NZD
$3,633 USD
View
Most Expensive
Brilliant Earth
20438618A · Sep 28
$6,685 NZD
$3,760 USD
View
Price last confirmed 35 days ago
5 more retailers have this diamond
Prices start from $987 NZDSave up to $5,472 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
3.89ct Marquise
$987 NZD