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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 $4,617 SGD
As of November 3, 2026
Save $18,536 SGD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $23,153 SGD 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 $4,617 to $23,153, a $18,536 spread on the same certified stone. Taylor and Hart lists it at $23,153. 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: Nov 3
Current: $8,333 SGD|Low: $4,617 SGD|High: $23,153 SGD|Avg: $12,024 SGD|-15.4%
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 4, 2026
Retailer 9$4,617 SGD
Retailer 11$5,544 SGD
Retailer 3$8,232 SGD
Retailer 1$8,333 SGD
Retailer 10$9,410 SGD
Retailer 2$9,993 SGD
Retailer 8$10,660 SGD
Retailer 7$11,044 SGD
Retailer 4$11,103 SGD
Retailer 6$13,445 SGD
Retailer 5$15,121 SGD
Retailer 12$17,476 SGD
Taylor and Hart$23,153 SGD

41 data points across 13 retailers

13 retailers$4,617 SGD to $23,153 SGD

A
Cheapest Retailer
-
$4,617 SGD
A
Retailer 2
-
$5,544 SGD
View
B+
Retailer 3
-
$8,232 SGD
View
B+
Retailer 4
-
$8,333 SGD
View
B+
Retailer 5
-
$9,410 SGD
View
B+
Retailer 6
-
$9,993 SGD
View
B+
Retailer 7
-
$10,660 SGD
View
B+
Retailer 8
-
$11,044 SGD
View
B+
Retailer 9
-
$11,103 SGD
View
B+
Retailer 10
-
$13,445 SGD
View
B+
Retailer 11
-
$15,121 SGD
View
B
Retailer 12
-
$17,476 SGD
View
Most Expensive
B
Taylor and Hart
RLZS7Q6 · Oct 31
$23,153 SGD
$18,071 USD
View
12 more retailers have this diamond
Prices start from $4,617 SGDSave up to $18,536 SGD

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
$4,617 SGD