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Round|Lab Grown|IGI

1.55ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG781609326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609326

Diamond specifications and retailer prices

From $339 SGD
$265 USD
As of October 30, 2026
Save $1,338 SGD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,224 SGD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609326 or 781609326. Listed at 25 retailers as of October 30, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609326
Dimensions7.38 × 7.40 × 4.62 mm
L/W Ratio1.00
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
7.38 mm7.40 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609326
Side View
Table 55.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

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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: $2,224 SGD|Low: $290 SGD|High: $2,224 SGD|Avg: $829 SGD
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
October 31, 2026
Retailer 4$303 SGD
Retailer 7$376 SGD
Retailer 15$376 SGD
Retailer 5$505 SGD
Retailer 9$566 SGD
Retailer 12$645 SGD
Retailer 11$687 SGD
Retailer 2$708 SGD
Retailer 8$746 SGD
Retailer 13$875 SGD
Retailer 3$991 SGD
Retailer 6$1,356 SGD
Retailer 14$1,461 SGD
Retailer 10$1,513 SGD
Brilliant Earth$2,224 SGD

36 data points across 15 retailers

25 retailers$339 SGD to $1,676 SGD

Retailer 1
-
$303 SGD
$237 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$339 SGD
$265 USD
View
Final sale: no returns
Retailer 3
-
$352 SGD
$275 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$376 SGD
$294 USD
View
A
Retailer 5
-
$376 SGD
$294 USD
View
Retailer 6
-
$376 SGD
$294 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$505 SGD
$395 USD
View
A
Retailer 8
-
$566 SGD
£349 GBP
View
A
Retailer 9
-
$632 SGD
$494 USD
View
A
Retailer 10
-
$645 SGD
ZAR 8,152 ZAR
View
A
Retailer 11
-
$687 SGD
€512 EUR
View
A
Retailer 12
-
$699 SGD
$547 USD
View
B+
Retailer 13
-
$708 SGD
£436 GBP
View
B+
Retailer 14
-
$746 SGD
A$898 AUD
View
B+
Retailer 15
-
$875 SGD
A$1,053 AUD
View
B+
Retailer 16
-
$991 SGD
$775 USD
View
Retailer 17
-
$1,207 SGD
$944 USD
View
Price last confirmed 23 days ago
B
Retailer 18
-
$1,212 SGD
View
B
Retailer 19
-
$1,274 SGD
$996 USD
View
B
Retailer 20
-
$1,356 SGD
$1,061 USD
View
B
Retailer 21
-
$1,461 SGD
£900 GBP
View
B
Retailer 22
-
$1,513 SGD
£932 GBP
View
B
Retailer 23
-
$1,529 SGD
$1,196 USD
View
B
Retailer 24
-
$1,676 SGD
$1,311 USD
View
Most Expensive
Brilliant Earth
18439237A · Oct 16
$2,224 SGD
$1,740 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from $339 SGDSave up to $1,338 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
1.55ct Round
$339 SGD