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Marquise|Lab Grown|UNKNOWN

1.69ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • UNKNOWN 82311499

Certificate UNKNOWN 82311499

Diamond specifications and retailer prices

From $413 SGD
$323 USD
As of November 2, 2026
Save $1,232 SGD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,645 SGD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.69ct lab-grown marquise diamond

This 1.69ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 82311499. Listed at 5 retailers as of November 1, 2026, with prices from $413 to $1,645, a $1,232 spread on the same certified stone. NZ Jewellers lists it at $1,645. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.69
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 82311499
Dimensions12.84 × 6.26 × 3.68 mm
L/W Ratio2.05
Top View
12.84 mm6.26 mm1.69 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 82311499
Side View
Table 63.3%CrownGirdlePavilionCuletDepth 58.9%

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 2
Current: $1,645 SGD|Low: $396 SGD|High: $1,645 SGD|Avg: $744 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$413 SGD
Retailer 5$478 SGD
Retailer 3$512 SGD
Retailer 4$829 SGD
NZ Jewellers$1,645 SGD

7 data points across 5 retailers

5 retailers$413 SGD to $1,645 SGD

A
Cheapest Retailer
-
$413 SGD
$323 USD
B+
Retailer 2
-
$478 SGD
$374 USD
View
B+
Retailer 3
-
$512 SGD
$400 USD
View
B
Retailer 4
-
$829 SGD
$648 USD
View
Most Expensive
B
NZ Jewellers
398757eb-4575-4733-83b2-23cde468646e · Nov 1
$1,645 SGD
$1,286 USD
View
4 more retailers have this diamond
Prices start from $413 SGDSave up to $1,232 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
1.69ct Marquise
$413 SGD