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Princess|Lab Grown|IGI

1.70ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG789629098

Shape and cutting style on the report: Princess cut

Certificate IGI LG789629098

Diamond specifications and retailer prices

From $413 SGD
$323 USD
As of October 30, 2026
Save $1,696 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,109 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.7ct lab-grown princess diamond

This 1.7ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789629098 or 789629098. Listed at 17 retailers as of October 30, 2026, with prices from $413 to $2,109, a $1,696 spread on the same certified stone. Brilliant Earth lists it at $2,109. 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

1.70
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789629098
Dimensions6.55 × 6.48 × 4.62 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.48 mm1.70 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789629098
Side View
Table 71.0%Crown 44.4°Girdle: MediumPavilion 38.5°Culet: NoneDepth 71.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,109 SGD|Low: $396 SGD|High: $3,426 SGD|Avg: $1,086 SGD|-28.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 14$413 SGD
Retailer 16$462 SGD
Retailer 7$479 SGD
Retailer 5$513 SGD
Retailer 17$513 SGD
Retailer 2$572 SGD
Retailer 11$710 SGD
Retailer 6$825 SGD
Retailer 3$832 SGD
Retailer 8$851 SGD
Retailer 10$915 SGD
Retailer 13$1,502 SGD
Retailer 4$1,647 SGD
Retailer 9$1,704 SGD
Retailer 15$2,028 SGD
Retailer 12$2,064 SGD
Brilliant Earth$2,109 SGD

43 data points across 17 retailers

17 retailers$413 SGD to $2,109 SGD

A
Cheapest Retailer
-
$413 SGD
$323 USD
A
Retailer 2
-
$462 SGD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$479 SGD
$375 USD
View
A
Retailer 4
-
$513 SGD
$401 USD
View
A
Retailer 5
-
$513 SGD
$401 USD
View
A
Retailer 6
-
$572 SGD
£352 GBP
View
A
Retailer 7
-
$710 SGD
$555 USD
View
B+
Retailer 8
-
$825 SGD
$645 USD
View
B+
Retailer 9
-
$832 SGD
$651 USD
View
B+
Retailer 10
-
$851 SGD
$666 USD
View
B+
Retailer 11
-
$915 SGD
£564 GBP
View
B
Retailer 12
-
$1,502 SGD
$1,175 USD
View
B
Retailer 13
-
$1,647 SGD
$1,288 USD
View
B
Retailer 14
-
$1,704 SGD
$1,333 USD
View
B
Retailer 15
-
$2,028 SGD
$1,587 USD
View
B
Retailer 16
-
$2,064 SGD
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
18790708A · Oct 30
$2,109 SGD
$1,650 USD
View
16 more retailers have this diamond
Prices start from $413 SGDSave up to $1,696 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
1.70ct Princess
$413 SGD