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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768630641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630641

Diamond specifications and retailer prices

From $6,395 NZD
$3,604 USD
As of October 31, 2026
Save $25,669 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $32,064 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630641 or 768630641. Listed at 13 retailers as of October 31, 2026, with prices from $6,395 to $32,064, a $25,669 spread on the same certified stone. Taylor and Hart lists it at $32,064. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630641
Dimensions14.94 × 7.68 × 4.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
14.94 mm7.68 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630641
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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: $18,620 NZD|Low: $6,395 NZD|High: $32,064 NZD|Avg: $16,711 NZD|-14.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 9$6,395 NZD
Retailer 11$7,677 NZD
Retailer 3$11,401 NZD
Retailer 5$11,656 NZD
Retailer 10$13,032 NZD
Retailer 2$13,840 NZD
Retailer 8$14,763 NZD
Retailer 6$15,294 NZD
Retailer 4$15,376 NZD
Retailer 1$18,620 NZD
Retailer 7$20,877 NZD
Retailer 12$24,201 NZD
Taylor and Hart$32,064 NZD

39 data points across 13 retailers

13 retailers$6,395 NZD to $32,064 NZD

A
Cheapest Retailer
-
$6,395 NZD
$3,604 USD
A
Retailer 2
-
$7,677 NZD
$4,327 USD
View
B+
Retailer 3
-
$11,401 NZD
HK$50,200 HKD
View
B+
Retailer 4
-
$11,656 NZD
£5,173 GBP
View
B+
Retailer 5
-
$13,032 NZD
$7,345 USD
View
B+
Retailer 6
-
$13,840 NZD
$7,800 USD
View
B+
Retailer 7
-
$14,763 NZD
€7,924 EUR
View
B+
Retailer 8
-
$15,294 NZD
$8,620 USD
View
B+
Retailer 9
-
$15,376 NZD
$8,666 USD
View
B+
Retailer 10
-
$18,620 NZD
£8,263 GBP
View
B+
Retailer 11
-
$20,877 NZD
ZAR 190,085 ZAR
View
Retailer 12
-
$24,201 NZD
$13,640 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
RLZS7Q6 · Oct 31
$32,064 NZD
$18,071 USD
View
12 more retailers have this diamond
Prices start from $6,395 NZDSave up to $25,669 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
3.10ct Marquise
$6,395 NZD